iOptron® CEM60 Center-Balanced Equatorial Mount
Instruction Manual
Product #7200 and#7201
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Table of Content
Table of Content.................................................................................................................................................3
1. CEM60 Overview...........................................................................................................................................5
2. CEM60 Terms ................................................................................................................................................6
2.1. Parts List..................................................................................................................................................6
2.2. Assembly Terms......................................................................................................................................7
2.3. CEM60 Mount Ports................................................................................................................................7
2.4. CEM60 Gear Switches ............................................................................................................................8
2.5. CEM60 Cable Management ....................................................................................................................8
2.6. Go2Nova® 8407 Hand Controller ...........................................................................................................9
2.6.1. Key Description................................................................................................................................9
2.6.2. The LCD Screen.............................................................................................................................10
3. CEM60 Mount Assembly.............................................................................................................................12
3.1. Introduction ...........................................................................................................................................12
3.2. CEM60 Mount Assembly......................................................................................................................12
4. Getting Started..............................................................................................................................................22
4.1. Setting the Mount and Performing Polar Alignment.............................................................................22
4.2. Manual Operation of the Mount............................................................................................................22
4.3. One Star Alignment...............................................................................................................................22
4.4. Go to the Moon and Other Stars............................................................................................................22
4.5. Star Identifying Function.......................................................................................................................23
4.6. Turning Off the Mount ..........................................................................................................................23
4.7. Putting the Mount Back into the Carrying Case....................................................................................23
5. Complete Functions of Go2Nova® 8407 Hand Controller...........................................................................24
5.1. Select and Slew......................................................................................................................................24
5.1.1. Solar System...................................................................................................................................24
5.1.2. Deep Sky Objects ...........................................................................................................................24
5.1.3. Stars ................................................................................................................................................24
5.1.4. Comets............................................................................................................................................24
5.1.5. Asteroids.........................................................................................................................................24
5.1.6. Constellations .................................................................................................................................25
5.1.7. Custom Objects ..............................................................................................................................25
5.1.8. Enter R.A. DEC..............................................................................................................................25
5.2. Sync to Target........................................................................................................................................25
5.3. Align......................................................................................................................................................25
5.3.1. Pole Star Position ...........................................................................................................................25
5.3.2. Polar Align......................................................................................................................................25
5.3.3. One Star Alignment........................................................................................................................26
5.3.4. Solar System Align.........................................................................................................................26
5.3.5. Multi-Star Align .............................................................................................................................26
5.3.6. 2-Star Polar Align...........................................................................................................................26
5.3.7. Display Axes Error.........................................................................................................................26
5.4. Settings ..................................................................................................................................................27
5.4.1. Set Time & Site ..............................................................................................................................27
5.4.2. Set Display & Beep ........................................................................................................................27
5.4.3. Set Guider Rate...............................................................................................................................27
5.4.4. Set Tracking Rate ...........................................................................................................................28
5.4.5. Set Parking Position .......................................................................................................................28
5.4.6. Meridian Treatment........................................................................................................................28
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5.4.7. Track Below Horizon .....................................................................................................................28
5.4.8. Set Eyepiece Light..........................................................................................................................28
5.4.9. Heating Controller..........................................................................................................................28
5.5. Electric Focuser.....................................................................................................................................28
5.6. PEC Option............................................................................................................................................29
5.6.1. PEC Playback.................................................................................................................................29
5.6.2. Record PEC ....................................................................................................................................29
5.7. Telescope Motion ..................................................................................................................................29
5.7.1. Park Scope......................................................................................................................................29
5.7.2. Search Zero Pos..............................................................................................................................29
5.8. Edit User Objects...................................................................................................................................30
5.8.1. Enter A New Comet .......................................................................................................................30
5.8.2. Enter Other Objects or Observation List........................................................................................30
5.9. Firmware Information ...........................................................................................................................31
5.10. Goto Zero Position ..............................................................................................................................31
6. Maintenance and Servicing ..........................................................................................................................32
6.1. Maintenance ..........................................................................................................................................32
6.2. iOptron Customer Service .....................................................................................................................32
6.3. Product End of Life Disposal Instructions ............................................................................................32
6.4. Battery Replacement and Disposal Instructions....................................................................................32
Appendix A. Technical Specifications.............................................................................................................33
Appendix B. Go2Nova® 8407 HC MENU STRUCTURE ..............................................................................34
Appendix C. Firmware Upgrade ......................................................................................................................37
Appendix D. Computer Control a CEM60 Mount ...........................................................................................38
Appendix E. Go2Nova® Star List.....................................................................................................................39
IOPTRON TWO YEAR TELESCOPE, MOUNT, AND CONTROLLER WARRANTY............................46
Ver. 1.0
iOptron reserves the rights to revise this instruction without notice. Actual color/contents/design/function may differ from those described in this
instruction.
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1. CEM60 Overview
Welcome to a new type of EQ mount- The iOptron® Center-Balanced Equatorial Mount, CEM! Its unique
balance design puts the payload at the center of gravity allowing for greater natural stability. This also
means the mount is extremely light compared to its payload—a nice benefit when setting up at a remote
site. The adjustable counterweight bar prevents the counterweight from getting in the way of the tripod or
pier when operating at a low latitude position. Polar aligning is quick and accessible all the time since the
polar scope is not blocked by the declination shaft.
The CEM60TM mount is equipped with the most advanced GOTONOVA® GOTO technology, making it one
of the most powerful and accurate GOTO mounts available. The database of a Go2Nova® 8407 hand
controller has over 300,000 objects. The other features include a magnetically loaded gear system, gear
switches on both R.A. and DEC axes, a screw/worm type latitude adjuster and a built-in or customized
cable management system. The CEM60-- a new category (and payload capacity) of mounts for viewing and
astrophotography!
Features:
A new design, center-balanced equatorial mount (CEM) for maximum payload and minimum mount
weight
Specialized astrophotography mount ideal for both visual observers and astro-photographers
Patent pending non-contact magnetically loaded gear system
Payload of 60 lbs (27.2 kg) with the mount-only weight of 27 lbs (12.3 kg)
Gear switches on both R.A. and DEC axes for easy balancing
Adjustable counterweight shaft for low latitude operation
Screw/worm type latitude adjuster for precision adjustments
Milling machine tooling vise type latitude bearing and lock system for rock solid positioning
Azimuth fine adjusters for easy azimuth adjustment
Precision stepper motor with 0.06 arc-sec accuracy for precise GOTO and accurate tracking
Permanent periodic error correction (PPEC) (#7200) or Real-time periodic error correction (RPEC)
(#7201)
iOptron AccuAligningTM calibrated polar scope with dark-field illumination and easy polar alignment
procedure for fast and accurate polar alignment
Polar alignment routine for those who can't see the Pole Star
Go2Nova® 8407 controller with Advanced GOTONOVA® GOTO Technology an built-in heater
Integrated ST-4 compatible autoguiding port
Built-in 32-channel Global Positioning System (GPS)
Built-in or customized cable management system
Spring loaded Vixen/Losmandy dual saddle
150mm base size to match optional 2 inch heavy-duty stainless steel tripod (8kg) or 42/48 inch pier
Optional PowerWeightTM rechargeable battery pack
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2. CEM60 Terms
2.1. Parts List1
SHIPPING CONTENTS
There are two shipping boxes for a CEM60 mount. One box contains an aluminum carrying case
with a mount, either CEM60 (#7200) or CEM60-EC (#7201) mount head, a hand controller, a counterweight
shaft and accessories, including a counterweight pin and locking screws. The other box is for a 21lbs (9.5kg)
counterweight. The contents are listed below:
iOptron® CEM60 telescope mount (#7200, with silver adjustment knobs) or iOptron® CEM60-EC
mount (high precision model #7201, with red adjustment knobs)
Go2Nova® 8407+ Hand Controller
One 21lbs (9.5 kg) counterweight
Stainless steel counterweight shaft
Dark field illuminating LED cable
AC adapter (100V-240V)
HC Controller Cable X 1
Serial cable (RS232 toRJ9)
12V DC power cable with car charger
Aluminum carrying case
Quick Start Guide
OPTIONAL PARTS
2” tripod (#8021ACC)
42 inch pier (#8033) /48 inch pier (#8030)
MiniPier (#8032)
PowerWeightTM rechargeable counterweight battery (#8128)
Quick Start Guide
This manual
Tips for set up
Hand controller and mount firmware upgrades (check online for latest version)
.NET ASCOM driver
Reviews and feedback from other customers
Accessories
1 US market only. Actual contents may vary.
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2.2. Assembly Terms
Polar axis
Dovetail saddle
Polar axis cover
CW mounting housing
Shaft position screw
DEC gear switch
DEC drive unit
CW locking screw
Polar scope cover
Lat. Locking clamp
Counterweight
CW bar
Az. adj. knob
Az. Locking nut
CW safety screw
Optional tripod
Figure 1.CEM60 assembly
2.3. CEM60 Mount Ports
Ports on the mount
Figure 2. Ports on a CEM60 mount
I/O: Power Switch
DC 12V: DC power socket for the mount
PORT: iOptron port for connecting to other iOptron accessories, such as an electronic focuser or
a planetary dome control. DO NOT plug your ST-4 guiding camera cable into it. It may damage
the mount or guiding camera electronics.
HBX (Hand Box): For connecting to an 8407 Hand Controller
GUIDE: ST-4 compatible autoguiding port
RS232: Serial port for mount-computer control and
firmware upgrade
On DEC unit:
Reticle: Power supply for the polar scope dark field
illumination LED, or illuminated eyepiece
Figure 3. LED reticle on DEC unit
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2.4. CEM60 Gear Switches
The CEM gear system utilizes a magnetic force system for optimal gear meshing. Fully turn the
Gear Switch clockwise to disengage the worm from the worm wheel. Turn the Gear Switch
counterclockwise to engage the worm to worm wheel, as indicated on the mount. The Gear Switch MUST
NOT be left in a position that is in between the Engaged and Disengaged positions. Setting the Gear Switch
in between states may damage the worm or worm wheel.
WARNING: Never disengage or adjust the Gear Switches without holding the mount firmly!
Personal injury and/or equipment damage may happen.
Figure 4. CEM60 R.A. (left) and DEC (right) gear switches
2.5. CEM60 Cable Management
The CEM60 mount has a pre-wired instrument panel
that allows the user to connect his imaging gears without
having the wires/cables dragged all over the mount when the
mount is slewing or tracking. As shown in Figure 5, the
Instrument Panel has the following:
2X 12V power outlets for powering the CCD
camera or electric focuser
4X USB 2.0 port with Type A connector for
connecting to accessories.
1X 6P6C port which can be used to bridge the guiding port or
accessories with a 6P6C/6P4C plug
Figure 5. Instrument panel
The USB hub is a non-powered one. It will draw power from a
source, such a computer USB port. Therefore, the maximum usable USB
ports might be limited, depending on the power consumption of the
accessories.
The ports on the instrument panel are connected to the input
panel located next to the polar scope, as shown in Figure 6.
1X 12V power input (5A max.)
1X USB 2.0 port with Type B connector
1X 6P6C port
Figure 6. Input panel
In the event where a user would like to wire his own cables, he can remove the dovetail saddle. Next he
needs to remove the polar scope and run the cables through the polar scope opening. Solder the cables
onto the instrument pane. When reinstalling the dovetail saddle, make sure that the STOPPER and the
arrow is pointed to front, as shown in Figure 7.
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Figure 7. Stopper on a dovetail saddle
2.6. Go2Nova® 8407 Hand Controller
DEC+
R.A.-
DEC-
R.A.+
Serial
Port
HBX
Port
Figure 8. Go2Nova 8407 hand controller
The Go2Nova® 8407 hand controller (HC) shown in Figure 8 is the standard controllers that is used
on the CEM60 mount. It has an integrated temperature controller that ensures it can be operated at -20ºC
(-4ºF). It has a large LCD screen, function keys, direction keys and number keys on the front; a red LED
reading light on the back; and a HBX port (6-pin) and a serial port (4-pin) at the bottom.
2.6.1. Key Description
MENU Key: Press “MENU” to enter the Main Menu.
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BACK Key: Move back to the previous screen, or end/cancel current operation, such as slewing.
ENTER Key: Confirm an input, go to the next menu, select a choice, or slew the telescope to a
selected object.
Arrow (▲▼◄►) Keys: The arrow keys are used to control the movement of DEC and R.A. axes.
Press and hold ▲(DEC+),▼(DEC-) buttons to move a telescope along the DEC direction,
◄(R.A.+), ►(R.A.-) to move a telescope along the R.A. direction. They are also used to browse
the menu or move the cursor while in the menu. Press and hold down an arrow key for a fast
scrolling.
Number Keys: Input numerical values. Also used to adjust speeds (1: 1X; 2: 2X; 3: 8X; 4: 16X; 5:
64X; 6: 128X; 7: 256X; 8: 512X; 9: MAX)
Light Key(☼): Turns on/off the red LED reading light on the back of the controller.
? Key: Identify and display bright stars or objects where the telescope points to.
STOP/0 Key: Stop the mount during GOTO. Also toggling between start and stop tracking.
HBX (Handbox) port: connect the HC to the CEM60 mount using a 6-wire RJ11 cable.
Serial port: connect the HC to a Computer via a RS232 to 4-wire RJ-9 cable. The pin out of the
serial port is shown in Figure 9.
Figure 9. Serial port pin out on an 8407 hand controller
2.6.2. The LCD Screen
The 8407 HC has a large 8-line, 21-character per line LCD screen, which displays all the information
as shown in Figure 10. The user interface is simple and easy to operate.
Figure 10. 8407 HC LCD Information Screen
1. Target Name/Mount Position: displays the name of the target that telescope is currently pointed to or
the current mount position.
Zero Position: The position when the mount is turned on. Or when the mount is moved to Zero
Position using “Goto Zero Position” command;
User Position: The mount is pointed to a user defined position, which could be a real sky object
or just simply a position defined by pressing an arrow key.
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An object name, such as “Mercury” or “Andromeda Galaxy”: Name of the Star or celestial object
that the mount is currently slewing to, GOTO or tracking;
2. Target R.A.: Right Ascension of the target object.
3. Target Declination: Declination of the target object.
4. Right Ascension: Right Ascension of the telescope, or R.A.
5. Declination: Declination of the telescope, or DEC.
6. Altitude: Altitude of the telescope (degrees vertical from the local horizon - zenith is 90º).
7. Azimuth: Azimuth of the telescope (north is 0º, east is 90º, south is 180º, and west is 270º).
8. Local Date and Time: display local time in a format of YY-MM-DD HH:MM:SS.
9. Mount Status: Display current operation status of the mount.
Stop: mount is not moving;
Slew: mount is moving with an arrow key pressed;
GoTo: mount is slewing to a celestial object using “Select and Slew”;
10. GPS status: When the power is turned on, it shows “GPS ON”, which means that the mount is
connected to its GPS receiver. When the GPS receiver finds the satellites and receives the GPS signal,
it shows “GPS OK”. The “GPS OK” may turn off after a few minutes to save power.
11. PEC status: Display of “PEC” here Indicates the PEC playback is turned on. Default is off.
12. Tracking speed: Display current tracking status of the mount
SDRL: mount is tracking at sidereal speed;
Solar: mount is tracking at solar speed;
Lunar: mount is tracking at lunar speed;
King: mount is tracking at king speed;
CSTM: mount is tracking at a customer-defined speed.
13. Slew speed: It has 9 speeds: 1X, 2X, 8X, 16X, 64X, 128X, 256X, 512X, MAX (~3.75º/sec).
14. Operation Mode: Indicate if the mount is working at the EQ mode
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3. CEM60Mount Assembly
3.1. Introduction
You have just purchased a telescope mount that is capable of taking you to a new level of
astronomy. No matter which telescope or optical tube assembly (OTA) you select to install on the mount,
the overall performance will be greatly enhanced. In order for you to get the optimum performance from the
mount and OTA combination, you must assemble and set up the mount correctly. The following
fundamentals of telescope mounts are included to help you understand the big picture before you get into
the specific details of the CEM60 mount.
Telescope mounts are either equatorial mounts or altitude-azimuth (Alt-Az) mounts. Both types of
mounts rotate the OTA around two perpendicular axes to point to a desired object in the night sky. An
equatorial mount has the right ascension (R.A.) axis aligned with the celestial North Pole (CNP), or celestial
South Pole (CSP) in southern hemisphere, to provide rotation matching the celestial sphere rotation around
the Earth and the declination axis (DEC) to provide elevation relative to the celestial equator. Since all
celestial objects appear to rotate around the CNP, the R.A. axis allows the OTA to rotate with the celestial
sphere and provide accurate tracking for visual observations and astrophotography. R.A. is the celestial
equivalent of longitude. Like longitude, R.A. measures an angle that increases toward the East as
measured from a zero reference point on the celestial equator. An Alt-Az mount has a horizontal axis to
provide vertical (altitude) OTA movement from the local horizon and a vertical axis to provide horizontal
(azimuth) OTA movement, similar to compass headings. An Alt-Az mount can provide tracking that is good
enough for visual observing and short exposure photos, but not good enough for serious astrophotography.
Alt-Az mounts require star alignments for the OTA to track stars and they do not have adjustment
components on the mount. Equatorial mounts require alignment of the mount components as well as star
alignments for accurate OTA tracking.
In order to provide the required Polar Axis alignment, equatorial mounts use a combination of both
mount types described above. The adjustable part of the mount moves in the Alt-Az mode in order to align
the R.A. axis, also known as the mount’s Polar Axis, with the CNP. These Polar Axis adjustments do not
involve any rotations of the OTA about the R.A. or DEC axes and can be performed without the OTA
installed. The first step is to make an approximate azimuth alignment of the Polar Axis by aligning the
specified tripod leg or reference point toward True North using a compass for reference (you must allow for
the variation between True and Magnetic North at your location). Precise horizontal alignment of the Polar
Axis is accomplished with azimuth adjustments on the mount. The second step is to adjust the Polar Axis
vertically (altitude) above the North horizon by setting the observer’s latitude on the provided latitude scale.
This procedure is based on the fundamental geometry of the Earth’s coordinate system in conjunction with
the concept of the celestial sphere. You can verify this by visualizing yourself at the North Pole (latitude
N90°) and Polaris will be 90° from the horizon, or directly overhead. These steps will place the Polar Axis
very close to the CNP. Both of the above adjustments can be enhanced by the use of an opening along the
R.A. axis that allows direct viewing of the North Star and the use of a polar scope to view through this
opening. If you are going to get the most out of your equatorial mount it is essential to understand the
concept of the Polar Axis and how the equatorial mount helps you establish and maintain a true Polar Axis
alignment. Now, you are ready to perform star alignments using the equatorial mount’s electronic controller
and enjoy the night sky.
The CEM60 mount is a next-generation equatorial mount that provides the precision alignment
capabilities required for today’s complete astronomy solution. The following sections of this manual provide
the detailed steps required to successfully set up and operate the CEM60 mount.
3.2. CEM60Mount Assembly
NOTE: The CEM60 mount is a precision astronomical instrument. It is highly recommended that you
read the entire manual and become familiar with the nomenclature and function of all components
before starting the assembly.
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WARNING: DO NOT rock the counterweight shaft rigorously. Worm system damage due to
improperly gear mesh/slippage will not be covered by warranty.
WARNING: The new Gear Switch will allow you to achieve the most precise weight balance.
This also means the mount or OTA will swing FREELY when the Gear Switch is disengaged.
Always hold the OTA or mount when releasing Gear Switch or adjusting gear tension.
STEP 1. Removing the Mount from the Carrying Case
The mount is shipped with both R.A. Gear Switch disengaged. ALWAYS turn the Gear Switch fully
counterclockwise to fully engage the Gear Switch before removing the mount from the carrying case (Figure
11).
Figure 11. Engage the Gear Switches before
removing the mount from the carrying case
Figure 12. Stainless steel lever
The CEM60 mount comes with a stainless steel (SS) lever which can be unthreaded from the
mount. It can be used for tightening all the screws/nuts (Figure 12).
STEP 2. Attaching the Mount
The mount has a 150mm diameter base which can be mounted onto an optional iOptron 2” tripod or
pier. If you have your own tripod/pier, make sure it has two M8 threaded holes separated by 130mm, with a
Φ12mm X 15mm center stud.
There are two sets of mounting studs and azimuth locking nuts. Thread the two studs onto an
iOptron tripod/or pier (if you are using one). Use the pair of mounting holes that are closest to the edge and
thread the studs using the shorter thread side. Use the lever to tighten the mounting studs. Make sure that
two studs are aligned eastern-western side by turning the tripod or pier.
Mounting studs
Azimuth locking nuts
Figure 13. Mounting studs and locking nuts
Back out the azimuth adjustment knobs to make enough room to prevent them from blocking the
mounting knobs. Put the mount head onto the tripod. Make sure that the mount head is facing north. Install
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the Nylon washer. Put the azimuth locking nuts onto the mounting studs, hand tighten them. Adjust
tripod/pier to level the mount.
Azimuth adjustment
knob
Mounting stud
Nylon washer
Figure 14. Attaching the mount
STEP 3. Setting the Latitude
This step requires you to know the latitude of your current location. This can be found from your
8407 hand controller after the embedded GPS receives the signal from the satellites. It also can be easily
found on the Internet, with your GPS navigator or a GPS capable cell phone. You will have to change this
latitude setting every time you significantly change your night sky viewing location. This setting directly
affects the mount’s GOTO accuracy.
Slightly loosen the Latitude Locking Clamps. Turn the Latitude Adjustment Knob until the arrow
points to your current latitude on the Latitude Scale. Tighten the Latitude Locking Clamps when done.
Latitude
Latitude
Adjustment
knob
locking clamp
Figure 15. Setting the latitude
At this point, with the mount leveled and pointed north, and the latitude set, the Polar Axis (R.A. axis)
should be pointing very close to the NCP and Polaris. This alignment accuracy will be sufficient for visual
tracking and short duration piggy-back (camera mounted on top of the OTA) astrophotography.
STEP 4. Installing the Counterweight (CW) Shaft
There are three screws on CEM60 CW Mounting Housing: A Shaft Locking Screw, a Shaft Position
Screw on the other side and a Low-Latitude Set Screw.
To install the CW shaft
(1) Remove CW Shaft Locking Screw from the CW Mounting Housing and back out the CW Shaft
Position Screw to make room for the CW shaft;
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(2) Insert CW Shaft into the CW Mounting Housing. Make sure the rounded top of the shaft is fully
engaged in the slot;
(3) Insert the CW Shaft Locking Screw into the TOP hole and thread it onto the CW shaft;
(4) Tighten the CW Shaft Position Screw.
Shaft locking
screw
Low latitude
position screw
Shaft position
screw
Threads on
CW shaft
Figure 16. Install the counterweight shaft
At very low-latitudes (<10°), to avoid CW bumping into tripod leg, turn the rear Low Latitude Position
Screw (a hex head set screw) further into CW Mounting Housing before tightening the CW Shaft Positioning
Screw and Shaft Locking Screw.
DO NOT rock the counterweight shaft rigorously. It may damage the worm system.
Figure 18. Install the counterweight
Figure 17. Tilt the counterweight shaft for low
altitude
STEP 5. Installing the Counterweight(s)
Before installing the Counterweight, make sure that both R.A. and DEC Gear Switches are fully
engaged to avoid sudden mount movements, which could injure yourself or damage the mount gear
system.
Make sure the mount is at zero position (i.e. counterweight shaft is pointing to ground when the
counterweight is installed.)
Remove the CW Safety Cap at the end of CW Shaft. Guide the CW over the shaft. Tighten the CW
Locking Screw to hold the CW in place. Always place the Safety Cap back onto the shaft prior to use
to prevent personal injury and/or equipment damage.
WARNING: The mount should always be kept in the zero position while it is being loaded with
CWs and payload.
WARNING: The zero position is the only safe position the mount should stay in unless it is
balanced.
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STEP 6.Balancing the Payload
After attaching the scope and accessories, the mount head assembly must be balanced in both the
R.A. and DEC axes to ensure minimum stress on the mount driving mechanism.
WARNING: The telescope may swing freely when the R.A. or DEC Gear Switch is
disengaged. Always hold on to the telescope assembly before releasing the Gear Switches
to prevent it from swinging, which can cause personal
injury and/or equipment damage.
The CEM gear system utilizes a magnetic force system
for optimal gear meshing. Fully turn the Gear Switch clockwise
to disengage the worm from the worm wheel. Turn the Gear
Switch counterclockwise to engage the worm to worm wheel,
Gear switch
as indicated on the mount. There is NO state between
Engaged and Disengaged. Setting the Gear Switch in
between states may damage the worm or worm wheel.
WARNING: The balancing process MUST be done
with Gear Switch at the Disengaged position!
Otherwise it might damage the worm system.
Figure 19. Gear switches
With the corresponding Gear Switch disengaged,
balance the assembly in R.A. axis by moving CW along its shaft. Balance in DEC axis by moving the scope
with accessories back and forth in the mount saddle or within the scope mounting rings.
Only balance one axis at a time and start with the DEC axis first. Double check the mount to make
sure both the R.A. and DEC axes are balanced.
Return the mount to the Zero Position after balancing; i.e., the CW Shaft points to ground, and the
telescope tip is at its highest position.
Set both Gear Switches to engaged positions after
balancing the mount. To make sure the gears are meshed
properly, gently turn the Gear Switch counterclockwise all
the way until you feel the resistance, but not over
tightening. You may back out 1//8 turn if the gear is not
moving smoothly.
STEP 7. Connecting Cables
Plug in a 12V DC power supply to the DC12V POWER
socket. Connect the Go2Nova® 8407 Hand Controller to the
HBX port on the mount side panel.
Figure 20. Connecting the cables
STEP 8. Setting Hand Controller
The CEM60 mount is equipped with a GPS receiver, which will receive the time, longitude and
latitude information from satellites after the link is established. However, there are still some parameters
which need to be entered to reflect your location, such as time zone info and daylight saving time. The
information will be stored inside the hand controller memory along with longitude and latitude coordinates
until they need to be changed.
A clear sky and open space outside is needed for the GPS to establish its link with the satellites. The
GPS is installed on the side of the mount with a black plastic cover. If it has difficulty to receive the GPS
signal, you may turn the mount head to the side of the mount to clear the space on top of it.
To set up the controller, press MENU =>“Settings”:
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Select and Slew
Sync. to Target
Alignment
Settings
Electric Focuser
PEC Options
Telescope Motion
Edit User Objects
Press ENTER and select “Set Time & Site”
Set Time & Site
Set Display and Beep
Set Guiding Rate
Set Tracking Rate
Set Parking Position
Meridian Treatment
Tracking Below Horizon
Set Eyepiece Light
Press ENTER. A time and site information screen will be displayed:
2014-03-09 10:19:18
Daylight Saving Time
300 Min. behind UT
Y
Longitude:W071d08m50s
Latitude: N42d30m32s
Northern Hemisphere
Set Local Time
The time will be updated automatically when the GPS receiver has established its link with the GPS
satellites. You also can manually input the time information in case GPS does not function. Use the ◄ or ►
key to move the cursor _ and use the number keys to change the numbers. Use the ▲ or ▼ button to
toggle between “Y” and “N” for Daylight Saving Time. Hold the arrow key to fast forward or rewind the
cursor.
In order to make the Hand Controller reflect your correct local time, time zone information has to
be entered. Press the ◄ or ► key, move the cursor to the third line “300 Min. behind UT” to set the time
zone information (add or subtract 60 minutes per time zone). Enter minutes “ahead of” or “behind” UT
(universal time). For Example,
Boston is 300 minutes “behind” UT
Los Angeles is 480 minutes “behind” UT
Rome is 60 minutes “ahead of” UT
Beijing is 480 minutes “ahead of” UT
Sydney is 600 minutes “ahead of” UT
All the time zones in North America are behind UT, as shown in the following table. So make sure it
shows “behind” instead of “ahead of” UT.
Time Zone
Hawaii Alaska Pacific
Mountain Central
Eastern
Hour behind UT
Enter Minutes
-10
-9
-8
-7
-6
360
-5
300
600
540
480
420
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To adjust minutes, move the cursor to each digit and use the number keys to input number directly.
To change the “behind” or “ahead of” UT, move the cursor to “behind” and using the ▲ or ▼ key to toggle
between “behind” and “ahead of”. When the number is correct, press ENTER and go back to the previous
screen. Fraction time zone can be entered.
Do not manually add or subtract an hour from displayed time to reflect the DST. Only select “Y” after
DST begins.
For other parts of the world you can find your “time zone” information from iOptron website
(http://www.ioptron.com/support.cfm?module=faq#).
Set Observation Site Coordinates
The third and fourth lines display the longitude and latitude coordinates, respectively. The longitude
and latitude coordinates will be automatically updated when the GPS picks up satellite signals. “W/E”
means western/eastern hemisphere; “N/S” means northern/southern hemisphere; “d” means degree; “m”
means minute; and “s” means second.
If, for any reason, your GPS does not pick up the signal, you can manually enter the GPS
coordinates. Press the ◄ or ► key to move the cursor and using the ▲ or ▼ key to toggle between “W”
and “E”, “N” and “S”, and using the number key to change the numbers. It is always a good idea to do your
home work to get the GPS coordinates before traveling to a new observation site.
The site coordinates information can be found from your smart phone, GPS receiver or internet. In
case you only find the site information in decimal format you can convert them into d:m:s format by
multiplying the decimal numbers by 60. For example, N47.53 can be changed to N47º31'48”: 47.53º = 47º
+0.53º, 0.53º=0.53x60'=31.8', 0.8'=0.8x60"=48". Therefore, 47.53º=47º31'48" or 47d31m48s.
Select N/S Hemisphere
If the polar axis is aligned to the North Celestial Pole, then set the mount to Northern Hemisphere. If
the polar axis is pointing to the South Celestial Pole, set the mount to Southern Hemisphere. Press the ◄ or
► key to move the cursor and using the ▲ or ▼ key to toggle between “Northern Hemisphere” and
“Southern Hemisphere”.
As an example, select Northern Hemisphere if you are located in US and press ENTER to go back
to the main menu.
The time and site information will be stored inside the HC memory chip. If you are not traveling to
another observation site, they do not need to be changed.
The hand controller has a real time clock. Every time the mount is turned on, it should display the
correct time after initial set up. If the time is off too much, please check the clock battery inside the hand
controller and replace it if required. The battery is a 3V, CR1220 button battery.
STEP 9. Performing Polar Alignment
One of the CEM60’s unique features is that the polar scope can be accessed at anytime. It will not
be blocked by DEC axle as in a German equatorial mount. This makes it possible to adjust the polar
alignment during the tracking.
In order for an equatorial mount to track properly, it has to be accurately polar aligned.
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Polar axis
Polar axis cover
DEC drive unit
Polar scope cover
Lat. adj. knob
Lat. locking clamp
Az. adj. knob
Az. Locking nut
Figure 21. Polar alignment
As indicated in Figure 22, the Polar Scope Dial has been divided into 12 hours along the angular
direction with half-hour tics. There are 2 groups, 6 concentric circles marked from 36’ to 44’ and 60’ to 70’,
respectively. The 36’ to 44’ concentric circles are used for polar alignment in the northern hemisphere using
Polaris. While the 60’ to 70’ circles are used for polar alignment in southern hemisphere using Sigma
Octantis.
Figure 22. Polar Scope
Quick Polar Alignment
Figure 23. Polar Scope LED
(1) Level the CEM60 mount and set it at Zero Position. Make sure the telescope is parallel to the pole
axis (R.A. axis) of the mount. If a finder scope is used, adjust it to be parallel to the telescope
optical axis. Remove both the Polar Axis Cover and Polar Scope Cover.
(2) Connect the polar scope illumination LED (Figure 23) to the Reticle socket located next to DEC
motor unit (Figure 3). Turn the mount power on. Use the Hand Controller (“Settings” => “Set
Eyepiece Light”) to set the illumination intensity.
(3) Use the Hand Controller (MENU => “Align” => “Pole Star Position”) to display the Polaris
Position on the LCD screen, as indicated in the left side of the figure below. For example, on May
30, 2010, 20:00:00 in Boston, United States (Lat N42º30’32” and Long W71º08’50”, 300 min
behind UT, DST set to Y), the Polaris Position is 1hr 26.8m and r = 41.5m.
(4) Look through the polar scope to find the Polaris. Use the Azimuth and Latitude Adjustment Knobs
to adjust the mount in both directions and put the Polaris in the same position on the Polar Scope
Dial as indicated on the HC LCD. In this case, the Polaris will be located at a radius of 41.5’ and
an angle of 1 hour 26.8 minute, as shown In Figure 24 (b).
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(a)
(b)
Figure 24. Polaris Position shown on HC (a) and where to put on polar scope dial (b)
NOTE: If you are located in the southern hemisphere, Sigma Octantis will be chosen for Polar
Alignment. For example, on May 20, 2010, 20:00:00 in Sydney, Australia (LatS33º51’36” and Long
E151º12’40”), 600 min ahead of UT, the Sigma Octantis Position is 1hr21.8m and 64.4m.
BrightStar Polar Alignment
When the pole star is not in sight:
(1) Level the mount and set it at Zero Position. Align the telescope to the R.A. axis of the mount. If a
finder scope is used, adjust it to be parallel to the telescope optical axis.
(2) Use the HC (MENU => “Align” => “Polar Align”) to display the azimuth and altitude position of
several bright stars near the meridian. Select one that is visible with high altitude as the
Alignment Star A. Follow the HC instruction to move the Star A to the center of the eyepiece with
the combination of using the Latitude Adjustment Knob and the “◄” or “►” button. Press ENTER
to confirm the centering. Next, select a bright star that is close to the horizon as the Alignment
Star B. Center it using the Azimuth Adjustment Knob and the “◄” or “►” button (The “▲” and
“▼” buttons are not used here). Press ENTER to confirm the settings.
(3) The telescope will now slew back to Star A to repeat the above steps. The iteration can be
stopped when it is determined that the alignment error has been minimized. Press the BACK
button to exit the alignment procedure.
NOTE: It is highly recommended to use an eyepiece with illuminated crosshair for accurate
centering.
NOTE: The movement of the alignment star in your eyepiece may not be perpendicular but crossed,
depends on its location in the sky.
STEP 10. Returning Mount to Zero Position
After polar alignment and balancing OTA, return the mount to Zero Position, as shown in Figure 25.
The Zero Position is the position with the CW shaft pointing towards the ground, OTA/Dovetail is at the
highest position with its axis parallel to the polar axis and the OTA pointing to the CP. Loosen the DEC and
R.A. Gear Switches to adjust the mount to the Zero Position. Engage the clutches after each adjustment.
Remember, the hand controller needs to be at the Zero Position as well! The simplest way is turn the
mount power OFF and ON again to reset the hand controller. Alternatively you can use the hand controller
(MENU => “Goto Zero Position”) to set the mount to the Zero Position.
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Figure 25. Zero position
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4. Getting Started
In order to experience the full GOTO capability of GOTONOVA® technology it is very important to set
up the mount correctly before observation.
4.1. Setting the Mount and Performing Polar Alignment
Assemble your CEM60 mount according to Section 3.2. Make sure the mount is leveled. Turn the
mount power switch on. When the GPS receiver is connected to satellites, the hand controller LCD will
display GPS OK. The mount will have correct time and site information. You can also enter them manually
as described before. Mount an OTA and accessories, and carefully balance the mount on both R.A. and
DEC axes. Polar align the mount using either the Quick Polar Alignment or BrightStar Polar Alignment
Procedure.
When the mount is powered on, the default position for the mount should be the Zero Position, i.e.
the counterweight shaft is pointing to ground, telescope is at the highest position with its axis parallel to the
polar axis and the telescope is pointing to the North Celestial Pole, if you are located in northern
hemisphere. If the mount is not at the zero position, release the gear switches to adjust the mount to
approximately the zero position.
The exception for a mount to be not at the Zero Position is when the mount is switched on after it
was parked before powering off (MENU => “Telescope Motion” => “Park Scope” )
4.2. Manual Operation of the Mount
The mount can now be used to observe astronomical objects with the HC. Use arrow keys (►, ◄,
▼, and ▲) to point the telescope to the desired object. Use the number keys to change the slewing speed.
Press the STOP/0 button to start tracking.
4.3. One Star Alignment
Make sure the mount is at the ZERO position by pressing MENU => “Goto Zero Position”. Release
R.A. and DEC gear switches to manually adjust the mount to the zero position. Perform a “One Star Align”
to correct the Zero Position discrepancy.
To perform “One Star Align,” press MENU button, scroll down to “Align”, select “One Star Align”
and press ENTER. The hand controller will display a list of bright objects for you to select from. Select an
object using ▲ or ▼ key. Then press ENTER. After the mount slews to the target, use the arrow keys to
center it in your eyepiece. Then press ENTER. (More align details in 5.4)
4.4. Go to the Moon and Other Stars
Now the mount is ready for GOTO and tracking targets. One of the most common objects is the
Moon.
Press MENU, select and ENTER “Select and Slew”. Select a category (for example, “Solar
System”), then select an object of interest (for example, “Moon”). Press ENTER and the telescope will
slew to the object and automatically start tracking. If the target is not centered in your eyepiece, use the
arrow keys to center it. Then use MENU => “Sync to Target” for better performance.
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4.5. Star Identification Function
The 8407 hand controller has a star identification function. After Polar Alignment and Set Time &
Site, slew the telescope to a bright star manually or using the GOTO function. Press ? (Help) button to
identify the star that the telescope is pointing to, as well as nearby bright stars if there are any.
4.6. Turning Off the Mount
When you have finished your observation, just simply turn the mount power off and disassemble the
mount and tripod.
If the mount is set up on a pier or inside an observatory, it is recommended that you return the
mount to Zero Position or park the telescope. This will ensure that there is no need for you to perform the
initial setup again when you power on the mount subsequently with the mount not moved from the parked
position.
4.7. Putting the Mount Back into the Carrying Case
Make sure that the Gear Switches are fully engaged before removing the mount from the tripod. Lay
the mount into the carrying case. Turn the R.A. Gear Switch clockwise all the way in to disengage the
gear system for transportation.
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5. Complete Functions of Go2Nova® 8407Hand Controller
5.1. Select and Slew
Press the MENU button. From the main menu select “Select and Slew.” Select an object that you
would like to observe and press the ENTER key.
The Go2Nova® 8407 hand controller has a database of about 358,000 objects. Use the ► or ◄
buttons to move the cursor. Use the number buttons to enter the number, or the ▼ or ▲ buttons to change
the individual number. Hold on a button to fast scroll through the list. The “ ” indicates the object is above
the horizon, and a “ ” means it is below the horizon. In some catalogs those stars below the horizon will
not be displayed on the hand controller.
5.1.1. Solar System
There are 9 objects in the Solar system catalog.
5.1.2. Deep Sky Objects
This menu includes objects outside our Solar system such as galaxies, star clusters, quasars, and
nebulae.
Named Objects: consists of 60 deep sky objects with their common names. A list of named deep
sky objects is included in Appendix E.
Messier Catalog: consists of all 110 Messier objects.
NGC IC Catalog: consists of 7,840 objects in the NGC catalog and 5,386 objects in the IC
catalog. To select an object from the NGC or IC catalog, move the cursor to NGC, using▲ or ▼
button to toggle between NGC and IC. Then move the cursor to a numerical position and use the
number button to select the object.
UGC Catalog: consists of 12,921 objects.
MCG Catalog: consists of 30,642 objects.
Caldwell Catalog: consists of 109 objects.
Abell Catalog: consists of 4,076 objects.
Herschel Catalog: consists of 400 objects.
5.1.3. Stars
Named Stars: consists of 195 stars with their common names. They are listed alphabetically. A
list is included in Appendix E.
Binary Stars: consists of 210binary stars. A list is attached in Appendix E.
GCVS: consists of 38,528 variable stars in the catalog.
SAO Catalog: consists of 258,997SAO catalog objects. They are listed numerically.
5.1.4. Comets
This catalog contains 15 comets.
5.1.5. Asteroids
This catalog contains 116 asteroids.
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5.1.6. Constellations
This catalog consists of 88 modern constellations. They are listed alphabetically. A list is attached in
Appendix E.
5.1.7. Custom Objects
It can store up to 60 user-defined objects, including comets.
5.1.8. Enter R.A. DEC
Here you can go to a target by entering its R.A. and DEC numbers.
5.2. Sync to Target
This operation will match the telescope's current coordinates to Target Right Ascension and
Declination. It can be used to correct GOTO pointing error. After slewing to an object, press MENU - then
scroll to “Sync to Target” and press ENTER. Follow the screen to do the sync. Using this function will re-
align the telescope to the selected object. Multiple syncs can be performed if needed. This operation is most
useful to find a faint star or nebula near a bright star.
“Sync to Target” will only work after “Select and Slew” is performed. You can change the moving
speed to make the centering procedure easier. Simply press a number (1 through 9) key to change the
speed. The default moving speed is 64X.
“Sync to Target” is similar to “One Star Align”, except that you choose the object to “sync” to. “One
Star Align” chooses the star/object for you.
5.3. Align
This function is used for aligning the telescope. The hand controller provides two polar alignment
methods. “Polar Align” uses a set of 2 bright stars for polar alignment. This provides a viable polar
alignment approach for those who can’t see the polar. The “Two Star Polar Align” is used to refine the
polar alignment using the AccuAlignTM polar scope. The system also provides three star alignment methods:
“SolarSys Align”, “One Star Align”, and “Multi-Star Align”. The mount has to be at Zero Position before
performing any star alignment.
5.3.1. Pole Star Position
This function displays the position of the Pole Star for Quick Polar Alignment using iOptron®
AccuAlignTM polar scope. The position of Polaris is displayed in northern hemisphere or Sigma Octantis in
southern hemisphere.
5.3.2. Polar Align
This BrightStar Polar Alignment allows you do a polar alignment without seeing the Pole Star.
Press the MENU button, then select “Align” and “Polar Align”. The HC will display a list of bright alignment
stars near the meridian, with name, magnitude, azimuth and altitude position. Select one that is visible and
high in altitude as the Alignment Star A. Follow the HC instruction to move the Star A to the center of the
eyepiece with the combination of using Latitude Adjustment Knob and “◄” or “►” button. Press ENTER to
confirm the settings. Next, select a bright star that is close to the horizon as the Alignment Star B. Center it
using the Azimuth Adjustment Knob and “◄” or “►” button (The “▲” and “▼” buttons are not used here).
Press ENTER to confirm the settings.
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The telescope will now slew back to Star A to repeat the above steps. The iteration can be stopped
when it is determined that the alignment error has been minimized. Press BACK button to exit the
alignment procedure.
NOTE: It is highly recommended to use an eyepiece with illuminated crosshairs for accurate centering.
NOTE: The movement of the alignment star in your eyepiece may not be perpendicular but crossed,
depends on its location in the sky.
5.3.3. One Star Alignment
Press MENU button and select “Align”. Select “One Star Align” and press ENTER. A list of
alignment stars that are above the horizon is computed based on your local time and location. With the
mount at the “Zero Position,” use ▲ and ▼ buttons to select a star and press ENTER. Center the target in
your eyepiece using arrow key. Press ENTER when finished. If your mount is set up correctly and polar
aligned, one star alignment should be sufficient for good GOTO accuracy. To increase the average pointing
accuracy over the sky, you may choose to do multi-star alignment.
5.3.4. Solar System Align
This function uses a planet or the moon as an alignment object. Press MENU button and select
“Align”. Select “Solar System Align” and press ENTER for available alignment object.
5.3.5. Multi-Star Align
With iOptron’s multi-star alignment, you can choose two, three, or as many stars as you want to
reduce the mount average pointing offset across the sky. First, make sure you perform the “One Star Align”
procedure.
Press MENU button and select “Align”. Select “Multi-Star Align” in the align menu. A list of
alignment stars that are above the horizon is computed based on your local time and location. With the
mount is at the “Zero Position,” use ▲ and ▼ buttons to select first alignment star and press ENTER.
Center the target in your eyepiece using the arrow keys. Press ENTER when finished. The hand controller
will prompt you to choose the second star. If the star you choose is too close to the first one, the system will
let you choose another one. When the mount is aligned with the second star, the two star alignment is
finished. You can reject the suggested star if it is blocked by a tree or other obstruction.
When you are done with the two star alignment, press the BACK button to finish the alignment.
Press ENTER key to select third star for further alignment.
5.3.6. Two Star Polar Align
This Two Star Polar Align may improve the polar alignment accuracy. It requires a wider view of
the sky, since the two alignment stars need to be far apart. Press MENU button and select “Align”. Select
“Two Star Polar Align” in the align menu. A list of alignment stars that are above the horizon is computed
based on your local time and location. With the mount at the “Zero Position,” use the ▲ and ▼ buttons to
select first alignment star and press ENTER. Center the target in your eyepiece using the arrow keys after
the mount slews to it. Press ENTER when finished. The hand controller will prompt you to choose the
second star. After centering the second star, the two-star alignment is finished. You can reject the
suggested star if it is blocked by a tree or other obstruction.
After the two-star alignment, a pointing error between the R.A. axis and the polar axis will be
recorded. This number can be used to fine tune the R.A. axis.
For example, if the screen shows 7.5" lower and 4.3" east, it means that THE MOUNT axis is
pointing lower and to the east.
5.3.7. Display Axes Error
This displays the pointing error between the R.A. axis and the polar axis.
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5.4. Settings
5.4.1. Set Time & Site
Refer to STEP 8 in Section 3.2.
5.4.2. Set Beep
The Hand Controller allows a user to turn off the beep partially, or even go to the silent mode by
press “MENU =>Settings =>Set Beep”,
Set Up Time and Site
Set Beep
Set Display
Set Guiding Rate
Set Tracking Rate
Set Parking Position
Meridian Treatment
Tracking Below Horizon
Select one of three available modes:
"Always On” – a beep will be heard on each button operation or mount movement;
“On but Keyboard” – a beep will be heard only when the mount slewing to the object or there is a
waning message; or
“Always Off” – all the sound will be turned off, including SUN wrning message.
5.4.3. Set Display
Press “MENU =>Settings =>Set Display”,
Set Up Time and Site
Set Beep
Set Display
Set Guiding Rate
Set Tracking Rate
Set Parking Position
Meridian Treatment
Tracking Below Horizon
Use the arrow keys to adjust LCD display contrast, LCD backlight intensity and keypads backlight
Intensity.
5.4.4. Set Guider Rate
This is an advanced function for autoguiding when a guiding camera is equipped either via a Guide
Port or an ASCOM protocol. Before autoguiding, align the polar axis carefully. Select a proper guiding
speed. The suppositional guiding speed can be selected from ±0.10X to ±0.80X. Follow the autoguiding
software for detailed operation.
Figure 26. Guide port pinout
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The guide port wiring is shown in Figure 26, which is same as that from Celestron / Starlight Xpress /
Orion Mount / Orion Autoguider/ QHY5 autoguider pinout.
If you have an autoguider that has a pinout similar to ST-i of SBIG, such as Meade/ Losmandy/
Takahashi/ Vixen, make sure a proper guiding cable is used. Refer to your guiding camera and guiding
software for detailed operation.
DO NOT plug your ST-4 guiding camera cable into any iOptron port or HBX port. It may damage the
mount or guiding camera electronics.
5.4.5. Set Tracking Rate
You can set up the mount tracking rate by selecting “Set Tracking Rate”. Then the user can select
“Sidereal speed”, “Lunar speed”, “Solar speed”, “King speed” and “User defined speed”. For “User
defined speed,” it can be adjusted from 0.9900X to 1.0100X of sidereal speed by pressing the ▲or ▼
button or the number buttons.
5.4.6. Set Parking Position
You may park the telescope before powering off the mount. This is very useful if the mount is on a
permanent pier or the mount will not be moved in between observation sessions. The mount will keep all the
alignment info and reference points.
There are four parking positions. “Default Horizon Pos.” will park the scope horizontally on the right
side of the mount. “Default Zenith Pos.” will park the scope vertically on the right side of the mount.
“Current Position” will park the scope at its current position. Or you can enter any altitude and azimuth
combination for “Custom Parking Pos.” When the mount is turned on, it will use last time parking position
setting as the default setting.
5.4.7. Meridian Treatment
This function tells the mount what to do when it tracks past the meridian. There are two options.
Telescope Flip will flip the telescope and continuously track the object. Stop Tracking Pos. will stop the
mount when it passes the meridian. You can define how far the mount will track pass the meridian before it
stops. The maximum traveling distance is 15°passing meridian, which equals to 1 hour.
5.4.8. Track Below Horizon
This function allows the mount to keep tracking an object even it is below the horizon but still can be
seen from an elevated observation site, such as on a hill. The power on default is at OFF state. One can
turn it on when needed.
5.4.9. Set Eyepiece Light
Use this function to adjust the light intensity of a CEM60 illuminated polar scope. If you have an
illuminated-reticule eyepiece and has the same socket size, you may use this option to adjust its light
intensity.
5.4.10. Heating Controller
Turn on/off the controller LCD back heater. When select ON for “Heating Controller”, the heater
would automatically be turned on when the ambient temperature reached 0°C (32°F) and shut off at 10°C.
5.5. Electric Focuser
This function controls iOptron electric focuser.
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5.6. PEC Option
This function only works for a non-high precision encoder version of CEM60 mount.
5.6.1. PEC Playback
You can turn “PEC Playback On” while you do the tracking, especially for long time astro-
photography. The default status is “PEC Playback Off when the mount is turned on.
5.6.2. Record PEC
All equatorial mounts have a small variation in the worm gears which can be corrected by using
Period Error Correction or PEC. PEC is a system which improves the tracking accuracy of the mount by
compensating for variations in the worm gear and is especially useful when doing astrophotography without
autoguiding. Because the variations are regular, it is possible to record the corrections required to cancel
out the worm gear variations and to play them back to correct the periodic error caused by the variations.
In order to use the PEC function, the Go2Nova hand controller needs to record the PE first. The
periodic error of the worm gear drive will be used to correct periodic error. The data will be lost when the
power is turned off.
Here’s how to use the PEC function.
1. Setup the mount with a telescope in autoguiding condition by connecting a guiding camera to a
computer via mount’s Guide Port or ASCOM protocol;
2. Select “MENU=>Settings => Set Guiding Rates.” Set a guiding speed from 0.10X to 0.80X. The
default number is 0.25X;
3. Then press the BACK button and select “PEC Option” from the menu. Use the ▲ and ▼ scroll
buttons to display the “Record PEC” option and press ENTER to start record the PE.
4. It takes the worm gear 300 seconds to make one complete revolution. After 300 seconds PEC will
automatically stop recording. The PEC value will be permanently stored inside PEC chip on R.A. motor
drive until a new data are recorded.
5. If you want to re-record the periodic error, select “Record PEC” and repeat the recording
processes again. The previously recorded information will be replaced with the current information.
5.7. Telescope Motion
5.7.1. Park Scope
This function parks the scope to a preset position.
5.7.2. Search Zero Pos.
In the event of power failure, the mount will lose all its alignment info. It will be very troublesome for
a remote observation site where the mount might be controlled via internet. The CEM60 has been equipped
with a function that can find the zero position for an initial mount set up.
Select “Search Zero Pos.,” the mount will starting slew slowly and find the R.A. and DEC position to
set the mount to zero position. Do a “One Star Align” to correct any zero position discrepancy.
NOTE: This function is not intended for daily zero position setup.
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5.8. Edit User Objects
Besides various star lists available in the hand controller -- you can add, edit or delete your own
user-defined objects, especially newly found comets. You can also add your favorite observation object into
the user object list for easy sky surfing. Up to 60 comets and other user objects can be stored.
5.8.1. Enter a New Comet
Press “MENU =>Edit User Objects” to set user objects.
User Defined Comet
Other Objects
Select “User Defined Comet” to add/browse/delete the user-defined comet list. Find the orbit
parameters of a comet in the SkyMap format. For example, the C/2012 ISON has an orbit parameter:
No.
Name
Year
M
Day
q
e
ω
Ω
i
H
G
C/2012 S1 ISON 2013 11 28.7960 0.0125050 1.0000030
345.5088
295.7379
61.8570
6.0 4.0
Select “Add a New Comet” to add a new one:
Add a New Comet
Browse Comets
Delete a Comet
Delete All Comets
The hand controller will display the parameter entry screen:
Enter Comet Parameter
Date: 0000-00-00.0000
q: 0.000000
e: 0.000000
ω: 000.0000
Ω: 000.0000
i: 000.0000
Enter the parameter using the arrow button and number keys. Press ENTER. A confirmation screen
will show. Press ENTER again to confirm storing your object under assigned user object number, or press
BACK button to cancel it.
5.8.2. Enter Other Objects or Observation List
Press “MENU =>Edit User Objects” to set user objects.
User Defined Comet
Other Objects
Select “Other Objects” to enter you own object:
Add a New Record
Browse Records
Delete One Record
Delete All Records
30
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Select “Add a New Record”. A screen will display asking to Enter R.A. and DEC:
Enter R.A. and DEC
R.A.: 00h00m00s
DEC: +00d00m00s
You may enter the R.A. and DEC coordinates of the star you want to watch, and press ENTER to
confirm.
A more useful application of this function is to store your favorite viewing objects before heading to
the field. When the “Enter R.A. and DEC” screen appears, press the MENU button. It brings up the star
catalogs that you can select the star from. Follow the screen to add your favorite objects. Press BACK
button to go back one level.
Press the BACK button few times to go back to object entry submenu. You may review the records
or delete the one you don’t want it anymore. Press BACK button to finish the operation. Now you can slew
to your favorite stars from “Custom Objects” catalog using “Select and Slew.”
5.9. Firmware Information
This option will display firmware version information of Main board, R.A. board, DEC board and hand
controller.
5.10. Goto Zero Position
This moves your telescope to its Zero Position. When the power is turned on, the mount assumes
the Zero Position. This is the reference point for alignment and GOTO functions.
31
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6. Maintenance and Servicing
6.1. Maintenance
The CEM60 mount is designed to be maintenance free. Do not overload the mount. Do not drop the
mount, this will damage the mount or degrade the GOTO tracking accuracy permanently. Use a wet cloth to
clean the mount and hand controller. Do not use solvent.
If your mount is not to be used for an extended period, dismount the OTAs and counterweight(s).
6.2. iOptron Customer Service
If you have any question concerning your CEM60 mount contact iOptron Customer Service
Department. Customer Service hours are from 9:00 AM to 5:00 PM, Eastern Time, Monday through Friday.
In the event that the CEM60 requires factory servicing or repairing, write or call iOptron Customer Service
Department first to receive a RMA# before returning the mount to the factory. Please provide details as to
the nature of the problem as well as your name, address, e-mail address, purchase info and daytime
telephone number. We have found that most problems can be resolved by e-mails or telephone calls. So
please contact iOptron first to avoid returning the mount for repair.
1.781.569.0200.
6.3. Product End of Life Disposal Instructions
This electronic product is subject to disposal and recycling regulations that vary by country
and region. It is your responsibility to recycle your electronic equipment per your local
environmental laws and regulations to ensure that it will be recycled in a manner that protects
human health and the environment. To find out where you can drop off your waste equipment
for recycling, please contact your local waste recycle/disposal service or the product
representative.
6.4. Battery Replacement and Disposal Instructions
Battery Disposal- Batteries contain chemicals that, if released, may affect the environment
and human health. Batteries should be collected separately for recycling, and recycled at a
local hazardous material disposal location adhering to your country and local government
regulations. To find out where you can drop off your waste battery for recycling, please
contact your local waste disposal service or the product representative.
32
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Appendix A. Technical Specifications
Mount
Payload
Mount weight
Center‐balanced Equatorial Mount (CEM)
60 lb (27.2kg), exclude counterweight
27 lb (12.3kg)
Payload/Mount weight ratio
Material
2.22:1
All metal (except GPS cover)
0°~ 70°
Latitude adjustment range
Azimuth adjustment range
Right Ascension worm wheel
Declination worm wheel
PEC
± 8°
Φ146mm, 288 tooth aluminum
Φ146mm, 288 teeth aluminum
PPEC/Real time PEC
PE
~±5 arcsec p‐p (#7200) or <0.5 arcsec RMS (#7201)
Φ28x 450 mm Stainless steel
21 lb (9.5 kg)
Counterweight shaft
Counterweight
Mount base size
Motor drive
Φ150 mm
Stepper motor
Resolution
0.06 arc seconds
Slew speed
1×,2×,8×,16×,64×,128×,256×,512×,MAX(~3.75°/sec)
0.6A(Tracking), 1.1A(GOTO)
12V DC 2A
100V ~ 240V (included)
AccuAligningTM dark field illuminated, 2 arc min
Level bubble
Power consumption
Power requirement
AC adapter
Polar Scope
Level indicator
Dovetail saddle
Hand Controller
Meridian treatment
GPS
8” Losmandy/Vixen dual saddle
Go2Nova® 8407,359,000 objects database, star recognition
Stop (0‐15° pass), auto flip
Internal 32‐channel GPS
ST‐4
Autoguide port
Communication port
PC computer control
Cable management
Operation temperature
Tripod
Serial Port
Yes (ASCOM)
4X USB, 2X DC12V (MAX 5A), 6P6C
‐20°C ~ +45°C
Optional 2 "tripod Stainless Steel(8kg)/Pier (10kg)
Two year limited
Warranty
33
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Appendix B. Go2Nova® 8407HC MENU STRUCTURE
MENU
Select and Slew
Solar System
Mercury
Venus
Mars
Jupiter
Saturn
Uranus
Neptune
Sun
Moon
Deep Sky Objects
Named Object
Messier Catalog
NGC IC
UGC
MCG
Caldwell Catalog
Abell Catalog
Herschel Catalog
Stars
Named Stars
Binary Stars
GCVS
SAO Catalog
Comets
Asteroids
Constellations
Custom Objects
User Defined Comets
Other Objects
Enter R.A. and DEC
Sync. To Target
34
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Alignment
Pole Star Position
Polar Align
One Star Align
Solar System Align Align
Multi-Star Align
Two Star Polar Align
Display Axes Error
Settings
Set Time & Site
Set Beep
Set Display
Set Guiding Rate
Set Tracking Rate
Sidereal Speed
Lunar Speed
Solar Speed
King Speed
User Defined Speed
Set Parking Position
Default Horizon Pos.
Default Zenith Pos.
Current Position.
Custom Park Pos.
Meridian Treatment
Stop Tracking Pos.
Meridian Flip
Track Below Horizon
Set Eyepiece Light
Heating Controller
Electric Focuser
35
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PEC Options
PEC Playback Off
PEC Playback On
Record PEC
PEC Data Integrity
Telescope Motion
Set User Objects
Park Scope
Search Zero Pos.
User Defined Comet
Add a New Comet
Browse Comets
Delete a Comet
Clear All Comets
Other Objects
Add a New Object
Browse Objects
Delete an Object
Clear All Objects
Firmware Information
Goto Zero Position
36
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Appendix C. Firmware Upgrade
The firmware in the 8407Hand Controller and control boards can be upgraded by the customer.
for details.
37
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Appendix D. Computer Control a CEM60 Mount
The CEM60 mount can be connected to a computer using supplied serial cable. A RS232 to USB
adapter (not supplied) is needed if your computer does not have a serial port, like most of the laptops on the
market today. Follow the adapter instructions to install the adapter driver.
When the communication between the mount and computer has been established, the mount can be
controlled via ASCOM protocol.
To control the mount via ASCOM protocol, you need:
PC meets the software requirement. Refer to the ascom-standards website for details.
2. Download and install the latest iOptron Telescope .NET ASCOM drive from iOptron website.
3. Planetarium software that supports ASCOM protocol. Follow software instructions to select the
iOptron Telescope.
Telescope .NET ASCOM Driver, for more detail.
CEM60 mount may also be directly controlled by other third party software and accessories. Please
contact them for more information.
38
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Appendix E. Go2Nova®Star List
Messier Catalog
This table is licensed under the GNU Free Documentation License. It uses material from the Wikipedia
article List of Messier objects
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Named Star List
001 Acamar
002 Achernar
003 Acrux
004 Acubens
005 Adhafera
006 Adhara
007 Al Na’ir
008 Albali
009 Alberio
010 Alchibar
011 Alcor
012 Alcyone
013 Aldebaran
014 Alderamin
015 Alfirk
050 Asellus Australis
099 Kaus Media
100 Keid
148 Rastaba
149 Regulus
150 Rigel
151 Rigel Kentaurus
152 Ruchbah
153 Rukbat
051 Asellus Borealis
052 Aspidiske
053 Atik
054 Atlas
055 Atria
101 Kitalpha
102 Kochab
103 Kornephoros
104 Kurhah
105 Lesath
106 Maia
107 Marfik
108 Markab
109 Matar
110 Mebsuta
111 Megrez
112 Meissa
113 Mekbuda
114 Menkalinan
115 Menkar
116 Menkent
117 Menkib
118 Merak
119 Merope
120 Mesartim
121 Miaplacidus
122 Mintaka
123 Mira
056 Avoir
057 Azha
154 Sabik
155 Sadachbia
156 Sadalbari
157 Sadalmelik
158 Sadalsuud
159 Sadr
160 Saiph
161 Scheat
162 Schedar
163 Seginus
164 Shaula
165 Sheiak
166 Sheratan
167 Sirius
168 Skat
169 Spica
170 Sterope
171 Sulafat
172 Syrma
058 Baten Kaitos
059 Beid
060 Bellatrix
061 Betelgeuse
062 Biham
063 Canopus
064 Capella
065 Caph
066 Castor
067 Celabrai
068 Celaeno
069 Chara
016 Algedi
017 Algenib
018 Algiebra
019 Algol
020 Algorab
021 Alhena
022 Alioth
023 Alkaid
024 Alkalurops
025 Alkes
070 Chertan
071 Cor Caroli
072 Cursa
073 Dabih
074 Deneb
075 Deneb Algedi
076 Deneb Kaitos
077 Denebola
078 Dubhe
079 Edasich
080 Electra
081 Elnath
082 Eltanin
083 Enif
084 Errai
085 Fomalhaut
086 Furud
026 Almach
027 Alnasl
124 Mirach
125 Mirfak
126 Mirzam
127 Mizar
128 Muphrid
129 Muscida
130 Nashira
131 Nekkar
132 Nihal
173 Talitha
174 Tania Australis
175 Tania Borealis
176 Tarazed
177 Taygeta
178 Thuban
179 Unukalhai
180 Vega
181 Vindemiatrix
182 Wasat
028 Alnilam
029 Alnitak
030 Alphard
031 Alphecca
032 Alpheratz
033 Alrakis
034 Alrescha
035 Alshain
036 Altair
037 Altais
038 Alterf
039 Aludra
040 Alula Australis
041 Alula Borealis
042 Alya
133 Nunki
134 Nusakan
135 Peacock
136 Phact
137 Phecda
138 Pherkad
139 Pleione
140 Polaris
183 Wazn
184 Yed Posterior
185 Yed Prior
186 Zaniah
187 Zaurak
188 Zavijava
189 Zosma
087 Gacrux
088 Giausar
089 Gienah
090 Gomeisa
091 Graffias
043 Ancha
044 Ankaa
045 Antares
046 Arcturus
047 Arkab
092 Groombridge 1830 141 Pollux
190 Zubenelgenubi
191 Zubeneschamali
192 Barnard's Star
193 Kapteyn's Star
194 Kruger 60
195 Luyten's Star
093 Grumium
094 Hamal
095 Homan
142 Porrima
143 Procyon
144 Propus
096 Izar
097 Kaus Australis
098 Kaus Borealis
145 Rassalas
146 Rasagethi
147 Rasalhague
048 Arneb
049 Ascella
40
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Modern Constellations
Constellation
Abbreviation
Constellation
Abbreviation
No.
1
2
3
4
5
6
7
8
No.
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
Andromeda
Antlia
Apus
Aquarius
Aquila
And
Ant
Aps
Aqr
Aql
Lacerta
Leo
Leo Minor
Lepus
Libra
Lupus
Lynx
Lyra
Mensa
Microscopium
Monoceros
Musca
Norma
Octans
Ophiuchus
Orion
Lac
Leo
LMi
Lep
Lib
Lup
Lyn
Lyr
Men
Mic
Mon
Mus
Nor
Oct
Oph
Ori
Pav
Peg
Per
Phe
Pic
Psc
PsA
Pup
Pyx
Ret
Sge
Sgr
Sco
Scl
Ara
Aries
Auriga
Boötes
Ara
Ari
Aur
Boo
Cae
Cam
Cnc
CVn
CMa
CMi
Cap
Car
Cas
Cen
Cep
Cet
Cha
Cir
9
Caelum
Camelopardalis
Cancer
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
Canes Venatici
Canis Major
Canis Minor
Capricornus
Carina
Cassiopeia
Centaurus
Cepheus
Cetus
Chamaeleon
Circinus
Columba
Coma Berenices
Corona Australis
Corona Borealis
Corvus
Pavo
Pegasus
Perseus
Phoenix
Pictor
Pisces
Piscis Austrinus
Puppis
Col
Com
CrA
CrB
Crv
Crt
Cru
Cyg
Del
Dor
Dra
Equ
Eri
Pyxis
Reticulum
Sagitta
Sagittarius
Scorpius
Sculptor
Scutum
Serpens
Sextans
Taurus
Crater
Crux
Cygnus
Delphinus
Dorado
Sct
Ser
Sex
Tau
Tel
Draco
Equuleus
Eridanus
Fornax
Gemini
Grus
Hercules
Horologium
Hydra
Hydrus
Indus
Telescopium
Triangulum
Triangulum Australe
Tucana
Tri
For
TrA
Tuc
UMa
UMi
Vel
Vir
Vol
Vul
Gem
Gru
Her
Hor
Hya
Hyi
Ursa Major
Ursa Minor
Vela
Virgo
Volans
Ind
Vulpecula
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Deep Sky Object List
ID No.
1
OBJECT
NGC # Messier# IC# A(Abell) U(UGC) ID No.
OBJECT
Hind's Variable Nebula
Hubble's Variable Nebula 2261
Integral Sign Galaxy
NGC # Messier#
IC#
A(Abell) U(UGC)
Andromeda Galaxy
Barnards Galaxy
Beehive Cluster
Blackeye Galaxy
224
31
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
1555
2
6822
2632
4926
3
4
5
6
7
8
9
44
64
3697
Jewel Box Cluster
Keyhole Nebula
Lagoon Nebula
Little Gem
4755
3372
6523
6445
6818
6369
7000
6618
1976
3587
Blinking Planetary Nebula 6826
Blue Flash Nebula
Blue Planetary
Blue Snowball Nebula
Box Nebula
Bubble Nebula
Bipolar Nebula
Butterfly Cluster
California Nebula
Cat's Eye Nebula
Cocoon Nebula
Cone Nebula
6905
3918
7662
6309
7635
6302
6405
1499
6543
8
Little Gem Nebula
Little Ghost Nebula
North American Nebula
Omega Nebula
Orion Nebula
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
17
42
97
6
Owl Nebula
Pelican Nebula
Phantom Streak Nebula
Pinwheel Galaxy
Pleiades
5070
5146
6741
598
2264
650-51
1952
33
45
57
Cork Nebula
Crab Nebula
Crescent Nebula
Draco Dwarf
Duck Nebula
76
1
Ring Nebula
6720
4038
2237
7009
6888
Ring Tail Galaxy
Rosette Nebula
Saturn Nebula
10822
2359
6853
Dumbbell Nebula
Eagle Nebula
27
16
Sextans B Dwarf
Small Magellanic Cloud
Sombrero Galaxy
Spindle Galaxy
Tank Track Nebula
Trifid Nebula
5373
9749
292
Eight-Burst Nebula
Eskimo Nebula
Flaming Star Nebula
Ghost of Jupiter
Great Cluster
3132
2392
4594
3115
2024
6514
104
20
405
3242
6205
7293
13
Ursa Minor Dwarf
Whirlpool Galaxy
Wild Duck Cluster
Helix Nebula
Hercules Galaxy Cluster
5194
6705
51
11
2151
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Double Star List
No. Object Const Sep.
Magitude
2.3 / 5.1
4.4 / 8.6
3.7 / 11
5.2 / 8.7
5.5 / 7.2
5.6 / 8.6
5.8 / 6.5
4.3 / 4.5
5.3 / 7.3
5.6 / 7.1
5.7 / 6.7
5.8 / 7.3
5.8 / 9.0
4.8 / 4.8
4.8 / 6.7
2.6 / 7.1
4.0 / 9.5
5.0 / 8.0
2.5 / 4.9
3.5 / 7.5
4.3 / 6.5
4.5 / 11
4.6 / 6.6
4.7 / 6.9
4.9 / 5.8
4.9/7.5/13
5.1 / 6.9
5.3 / 6.2
4.2 / 8.5
5.3 / 5.8
3.6 / 10
4.2 / 9.2
5.2 / 8.8
5.9 / 6.7
2.2 / 8.9
SAO
37734
54033
Comm. Name
No. Object Const Sep.
Magitude
3.5 / 7.5
SAO
21732
4.7/7.0/8.2 12298
Comm. Name
1
2
3
4
5
6
7
8
9
Gam
Pi
Bet
11
And
And
Aql
Aql
Aql
9.8
35.9
12.8
17.5
34
Almaak
36 Eta
37 Iot
38 Psi
39 Sig
Cas
Cas
Cas
Cas
12.9
2.3
25
Achird
125235
104308
142996
104668
143898
146108
165625
190986
165867
145065
165321
92681
75051
58636
58502
57548
83500
64589
64686
100706
29046
Alshain
4.7 / 8.9
5.0 / 7.1
5.9 / 7.3
4.5 / 6.0
3.2 / 7.9
3.5 / 7.5
4.3 / 6.2
4.4 / 8.4
4.9 / 7.1
5.5 / 7.3
5.6 / 7.6
5.0 / 7.7
5.2 / 8.7
5.7 / 7.5
1.5 / 7.4
4.4/10/11
4.8 / 6.8
5.0 / 7.0
5.8 / 8.5
4.2 / 6.6
4.3 / 12
5.1 / 6.2
5.0 / 6.6
11751
35947
10937
204916
10057
34508
19827
9665
20554
33819
19922
110707
129193
129752
172676
173446
173349
152123
151694
80416
98267
97646
100160
3.1
15
40 E3053 Cas
15.2
7.9
13.6
41
7.6
7.4
E2489 Aql
8.2
36
41 3
Cen
Cep
Cep
Cep
Cep
Cep
57
Zet
94
Aql
42 Bet
43 Del
44 Xi
Alfirk
Aqr
Aqr
Aqr
Aqr
Aqr
Aqr
Ari
2.1
12.7
5.1
6.6
2.5
23.7
7.8
37.8
3.6
55
5.4
2.8
105
108
4.8
13.4
6.6
5.6
38
Al kurhah
10 41
11 107
12 12
45 Kap
46 Omi
2.8
47 E2840 Cep
48 E2883 Cep
18.3
14.6
2.8
50
16.5
13 Tau
14 Gam
15 Lam
16 The
17 Nu
18 Ome
19 Eps
20 Del
21 Mu 1
22 Tau
23 Kap
24 Xi
Mesartim
49 Gam
50 37
Cet
Cet
Cet
Kaffaljidhma
Adhara
Ari
Aur
Aur
Aur
Boo
Boo
Boo
Boo
Boo
Boo
Boo
Boo
51 66
52 Eps
53 Tau
54 145
55 Mu
56 Nu 1
57 Iot
58 Alp
59 Zet
60 24
CMa 7.5
CMa 8.2
CMa 25.8
CMa 2.8
CMa 17.5
Izar
Alkalurops
Cnc
Cnc
Cnc
30.5
11
6
Acubens
101250
101139
29071
120426
45357
25 Pi
26 Iot
Com 20.6
Com 1.2
Com 3.7
61 35
62 2
5.1/7.2/9.1 82550
27 E1835 Boo
6.2
2.2
5.9 / 7.4
5.0 / 6.0
4.1 / 9.6
3.0 / 9.2
2.9 / 5.5
5.0 / 6.9
5.8 / 8.1
2.2 / 9.5
2.9 / 6.3
82123
64833
156661
157323
63257
63648
44097
49528
48796
28 44
29
Boo
Cam 2.4
63 Zet
64 Gam
65 Del
66 Alp
67 25
68 2
69 Gam
70 Del
CrB
Crt
Crv
CVn
CVn
CVn
Cyg
Cyg
6.1
5.2
24054
2102
30 32
31 Alp 2
32 Alp 1
33 Pi
34 Omi
35 Alp
Cam 21.6
24.2
19.4
1.8
11.4
41
Algorab
Cor caroli
Cap
Cap
Cap
Cap
Cas
6.6
45
3.4
21
163427
163422
163592
163625
21609
Secunda giedi
Prima giedi
Sadr
64.4
Shedir
2.5
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No. Object Const Sep.
Magitude
3.1 / 5.1
3.8 / 6.7
4.2 / 9.4
4.4 / 10
SAO
87301
Comm. Name
No. Object Const Sep.
Magitude
3.1 / 8.2
3.4 / 9.8
3.5 / 5.4
3.8 / 9.8
4.6 / 5.6
5.0 / 5.2
5.0 / 6.2
5.7 / 8.2
5.9 / 5.9
5.1 / 7.1
5.9 / 6.8
3.4 / 6.8
3.9 / 10
5.6 / 5.8
4.5 / 10
5.7/6.5/10
2.2 / 3.5
4.0 / 6.7
4.3 / 6.3
3.7 / 6.3
4.4 / 10
4.5 / 7.4
5.4 / 6.6
4.5 / 9.4
5.7 / 8.0
5.8 / 6.7
3.6 / 7.8
5.3 / 5.8
3.9 / 6.6
SAO
84951
85397
102680
102107
66001
85647
101951
46147
Comm. Name
71 Bet
72 Omi 1 Cyg
Cyg
34.4
107
6.1
15.1
1.9
3.2
26
30.3
2.7
3.4
1.9
9.6
5.3
3.1
34
Albireo
106 Del
107 Mu
108 Alp
109 Gam
110 Rho
111 95
Her
Her
Her
Her
Her
Her
Her
8.9
34
4.6
42
4.1
6.3
27
Sarin
49337
70467
71173
89940
32114
68827
70919
70362
70968
33034
106476
17074
9540
73 52
74 Ups
75 Mu
76 Psi
77 17
78 61
79 49
80 E2762 Cyg
81 E2741 Cyg
82 Gam
83 Eta
84 Eps
85 47
86 Nu
87 Psi
88 26
89 16&17 Dra
90 Mu Dra
91 40/41 Dra
92 1
93 The
94 Tau 4 Eri
95 Omi 2 Eri
96 32
97 39
98 Alp
99 Ome
100 Alp
101 Del
102 Lam
103 Kap
104 Zet
105 38
Cyg
Cyg
Cyg
Cyg
Cyg
Cyg
Cyg
Rasalgethi
4.7 / 6.1
4.9 / 7.4
5.0 / 9.2
5.2 / 6.0
5.7 / 7.8
5.8 / 7.8
5.9 / 7.2
4.5 / 5.5
2.7 / 8.7
3.8 / 7.4
4.8 / 7.8
4.9 / 4.9
4.9 / 6.1
5.3 / 8.0
112 Kap
113 E2063 Her
16.4
14.3
8.6
10.1
2.7
29.4
9.4
28.4
22
114 100
115 54
Her
Hya
85753
182855
181790
117112
117527
179968
72155
72509
81298
99587
81583
170757
150223
150239
170352
159090
183040
158821
207208
207144
61391
116 HN69 Hya
Del
Dra
Dra
Dra
Dra
Dra
Dra
117 Eps
118 The
119 N
120
Hyd
Hyd
Hyd
Lac
Lac
Tyl
31219
30450
8890
61.9
30.3
1.7
90
121 8
122 Gam 1 Leo
4.4
1.7
6.6
96
12.8
2.6
3.2
57.8
23
Algieba
17546
123 Iot
124 54
125 Gam
126 Iot
127 Kap
Leo
Leo
Lep
Lep
Lep
5.4/5.5/6.4 30012
1.9
19.3
10.7
4.5
5.7
8.3
6.8
6.4
5.1
10.8
5.7 / 5.7
5.7 / 6.1
5.2 / 7.3
3.4 / 4.5
3.7 / 10
4.4/9.5/11
4.8 / 6.1
5.0 / 8.0
4.0 / 6.6
5.0 / 7.7
1.9 / 2.9
3.5 / 8.2
3.6 / 11
30239
8994
Equ
Eri
126428
216114
168460
131063
130806
149478
168373
167882
60198
79294
96746
79653
79031
96265
Acamar
Keid
128 h3752 Lep
129 Iot
130
Lib
Lib
Eri
Eri
For
For
131 Mu
132 Eta
133 Xi
134 38
135 12
136 19
137 Bet
138 Zet
139 Eta
Lib
1.8
15
Lup
Lup
Lyn
Lyn
Lyn
Lyr
Lyr
Lyr
Fornacis
10.4
2.7
1.7
14.8
46
44
28.1
2.6
Gem 3.9
Gem 5.8
Gem 9.6
Gem 7.1
Gem 87
Gem 7.1
Castor
Wasat
5.4/6.0/7.3 25939
5.8 / 6.9
3.4 / 8.6
4.3 / 5.9
4.4 / 9.1
5.0 / 6.1
26312
67451
67321
68010
67309
Sheliak
3.6 / 8.1
3.8/10/8.0
4.7 / 7.7
Mekbuda
Aldafar
Double dbl1
140 Eps 1 Lyr
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No. Object Const Sep.
Magitude
5.2 / 5.5
5.0 / 10
4.3 / 10
4.5 / 6.5
SAO
67315
212472
135551
113810
Comm. Name
Double dbl2
No. Object Const Sep.
Magitude
5.6 / 6.5
4.5 / 4.7
5.8 / 5.9
5.4 / 8.6
2.6 / 4.9
2.9 / 8.5
4.2 / 6.1
4.7 / 7.4
5.4 / 6.9
5.9 / 6.9
5.9 / 7.9
3.7 / 9.0
4.2 / 5.2
4.3 / 8.5
4.5 / 5.4
5.3 / 7.6
5.0 / 8.8
3.2 / 7.8
5.2 / 6.9
5.0 / 8.4
5.7 / 7.6
5.8 / 6.6
5.3 / 6.9
2.4 / 4.0
3.5 / 9.9
3.6 / 8.9
3.8 / 11
4.3 / 4.8
4.8 / 8.2
5.4 / 5.4
2.0 / 9.0
3.5 / 3.5
4.4 / 9.4
4.8 / 9.3
5.7 / 7.9
SAO
109739
174199
174019
167275
159682
184336
159764
183896
207558
184369
184217
101725
101624
160479
124070
123497
105298
209957
209553
76558
76573
77201
55347
28737
62486
14908
27401
62484
14788
62572
308
138917
139189
139951
120082
Comm. Name
141 Eps 2 Lyr
2.3
20.5
32
13.4
7.3
2.8
4.5
55
1.5
3.7
4.9
1.7
3.1
10.3
9.5
53
11.3
4.4
13
7.1
36
36.3
8.8
12.9
28.3
18.3
12.1
5.1
20
176 Zet
177 Kap
178 Eta
179 Eps
180 Bet
181 Sig
182 Nu
183 2
Psc
Pup
Pup
Scl
23
142 Alp
143 Zet
144 Eps
145 Bet
146 15
147 70
148 67
149 Lam
150 Xi
151 36
152 Tau
153 Rho
154 39
155 Bet
156 Del
157 Iot
Mic
Mon
Mon
Mon
Mon
Oph
Oph
Oph
Oph
Oph
Oph
Oph
Oph
Ori
9.9
9.6
4.7
13.6
20
41
2.5
23
5.4
3.9
31
4.4
46
22.3
3.8
8.5
3.6
5.5
52
19.4
4.8
3.9
4.7/4.8/6.1 133316
Sco
Sco
Sco
Sco
Sco
Sco
Sco
Ser
Ser
Ser
Ser
Ser
Sge
Sgr
Sgr
Tau
Tau
Tau
Tri
Graffias
Alniyat
Jabbah
4.7 / 7.5
4.0 / 5.9
4.0 / 8.6
4.2 / 5.2
4.4 / 9.0
5.1 / 5.1
5.2 / 5.9
5.3 / 6.0
5.4 / 6.9
0.1 / 6.8
2.2 / 6.3
2.8 / 6.9
3.6 / 5.5
114258
123107
123013
121658
185296
185198
142050
184382
185238
131907
132220
132323
112921
Marfic
184
185 Hn39
186 12
187 Bet
188 Del
189 Nu
190 The
191 59
192 Zet
193 Eta
194
Rigel
Mintaka
Nair al saif
Meissa
Alya
Ori
Ori
158 Lam
159 Sig
160 Rho
161 E747
162 1
Ori
Ori
Ori
Ori
3.8/7.2/6.5 132406
4.5 / 8.3
4.8 / 5.7
4.1 / 8.2
2.9 / 8.1
2.9 / 9.5
3.3 / 8.5
4.1 / 10
5.3 / 6.7
4.2 / 9.2
4.3 / 11
4.4 / 7.9
4.5 / 8.0
5.8 / 6.8
4.2 / 5.2
5.4 / 8.7
5.6 / 5.8
112528
132298
107073
56840
56799
23655
195 Phi
196 Chi
197 118
198 6
Peg
Per
Per
Per
Per
Per
PsA
PsA
PsA
PsA
PsA
Psc
Psc
Psc
163 Eps
164 Zet
165 Eta
166 The
167 E331
168 Del
169 Iot
Atik
199 Zet
200 Nu
201 23
202 Ups
203 Xi
204 Sig 2
205 57
206 Alp
207 Gam
208 The
209 Phi
210 84
UMa 14
UMa 7.2
UMa 23
UMa 11.6
UMa 1.8
UMa 3.9
UMa 5.4
Mizar
Alula borealis
Miram in becvar
38288
23765
214189
213258
213883
214153
190822
110291
74182
Alula australia
170 Bet
171 Gam
172 Eta
173 Alp
174 55
30.3
4.2
1.7
1.8
6.5
30
UMi
Vir
Vir
Vir
Vir
18.4
1.4
7.1
4.8
2.9
Polaris
Porrima
Alrisha
175 Psi
74483
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IOPTRON TWO YEAR TELESCOPE, MOUNT, AND CONTROLLER WARRANTY
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will repair or replace such product or part which, upon inspection by iOptron, is found to be defective in materials or workmanship.
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Woburn, MA01801
Tel. (781)569-0200
Fax. (781)935-2860
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NOTE: This warranty is valid to U.S.A. and Canadian customers who have purchased this product from an authorized iOptron
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