SmartStar®-G Series Mount and Telescopes
(For 8800, 8802, 8803 and 8804)
Instruction Manual
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5.8.2. Comets......................................................................................................... 20
5.8.3. Asteroids ...................................................................................................... 21
5.9. Watch List........................................................................................................... 21
5.10. Set Telescope Coord........................................................................................ 22
5.11. Park Scope ....................................................................................................... 22
6. Maintenance and Servicing....................................................................................... 22
6.1. Maintenance ....................................................................................................... 22
6.2. Storage and Transport........................................................................................ 22
6.3. Troubleshooting.................................................................................................. 23
6.4. iOptron Customer Service .................................................................................. 24
Appendix A. Technical Specifications............................................................................ 25
Appendix B. GOTONOVATM 8402G HC MENU STRUCTURE ..................................... 26
Appendix C. GOTONOVATM Star List ........................................................................... 28
Appendix D. Set Up USB-PC Connection ..................................................................... 34
Appendix E. Firmware Upgrade .................................................................................... 38
Appendix F. Use a PC to Control an iOptron Mount...................................................... 41
IOPTRON ONE YEAR LIMITED WARRANTY.............................................................. 42
WARNING!
NEVER USE A TELESCOPE TO LOOK AT THE SUN!
Looking at or near the Sun will cause instant and irreversible damage to your eye.
Children should always have adult supervision while observing.
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1. SmarStar®-G Series
Overview
most technologically advanced automated
tracking system available on the market
today.
With a database over 50,000
celestial objects, including all of the most
famous galaxies, nebulae, star clusters, not
to mention the planets, you’ll be able to
enjoy star gazing with the simple push of a
button.
1.1. SmartStar®-G Series
Features
Alt-Azimuth Mount– The Cube™
The easy to understand controller on
the market
The SmartStar®-G series come with our
patented Alt-Azimuth (AltAzi) mount, a.k.a.
The Cube™. This compact mount design is
probably the most functional and flexible
unit on the market. It was named “Hot
Product 2008” by Sky and Telescope. Both
axis motors are built into a small single unit
with optical encoders which provides
accurate GOTO and tracking. The mount is
universally compatible with all telescopes
using a dove-tail connection. In addition,
there are no “dead spots” – so you can point
your telescope to ANYWHERE above the
horizon, whereas, other mounts block the
telescope tube at certain points of rotation.
This mount also comes standard with AC
connection. An optional DC adaptor is
available so you can plug your telescope
mount into your car if you’re camping or at
any remote location.
The GOTONOVATM hand controller is much
easier to use than other similar products.
The hand controller is more intuitive with
menu categories better organized. It also
has a larger LCD screen with more lines of
content compared with the competition.
Using the easy-to-use hand controller and
its large LCD screen, you can easily set up
your telescope and select where you want
to go.
More precise speed control for
viewing objects
The control system also allows you to slew
the telescope at 5 different drive speeds,
keeping the object within the telescope’s
viewfinder for as long as you wish.
32-Channel GPS Module
Compatible with many OTAs
All G-series telescopes come standard with
Most Optical Tube Assembles (OTAs) with
dovetail connection should be compatible
with the SmartStar®-G GOTO AltAzi mount.
The payload of a SmartStar®-G mount is
between 7 to 11 lbs, depending on OTAs
and observing condition. (If you do not have
a dovetail connection -- attach your OTA
using mounting rings and dovetail available
at your local telescope store or the OTA
manufacturer). Contact iOptron for expert’s
advice on compatibility issues.
a
32-channel GPS module for fully
automated operation. Simply turn on the
GOTONOVATM Hand Controller and the
GPS module will automatically synchronize
your telescope location and time with the
GOTONOVATM
computerized
control
system. View celestial objects without
having to manually punch in the date, time,
latitude or longitude.
GOTONOVATM Computerized Control
System
The
revolutionary
GOTONOVATM
computerized control system is by far the
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control. With ASCOM protocol, you can
control your telescope with most ASCOM
compatible software. This enables you to
utilize the CPU, large screen, and disk
space of your PC/laptop. With a wide
selection of software, your star gazing
experience will never be the same again.
USB Port
The 8402 hand controller comes with a USB
port that tremendously expands the
functionalities of the already powerful
system. With the USB2COM driver installed,
the USB port works as an RS232 serial port.
It supports firmware upgrades and computer
Package Contents1
(1) SmartStar®-G Mount with built-in GPS receiver (Models 8800, 8802, 8803 and
8804)
(1) GOTONOVATM Hand Controller (Part No. 8402G)
(1) Controller Cable
(1) USB Cable
(1) Tripod
(1) Tripod bolt and Tray Lock
(1) Tripod Tray
(1) AC adapter with cord
For Model 8802 (SmartStar®-G-R80)
(1) 80mm Refractor Telescope
(2) Eyepieces (PL 10mm & PL 25mm)
(1) 3X Barlow Lens
(1) 45º Diagonal
For Model 8803 (SmartStar®-G-N114)
(1) 114mm Newtonian Reflector Telescope
(2) Eyepieces (PL 10mm & PL 25mm)
(1) Red Dot Finderscope
For Model 8804 (SmartStar®-G-MC90)
(1) 90mm Maksutov-Cassegrain Reflector Telescope
(2) Eyepieces (PL 10mm & PL 25mm)
(1) Red Dot Finderscope
(1) 45º Diagonal
1 The contents may vary from batch to batch.
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1.2. Assembly Terms
1. Telescope tube
2. Dovetail lock
3. Hand controller
4. Altitude lock
5. Mount
6. Tripod
7. Tripod bolt
8. Tray
9. Tray lock
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2. Telescope Assembly
Step 1. Preparing the Tripod
Extend tripod legs to full extension.
Step 2. Attaching the Mount
Attach mount to tripod using the long bolt (#7). Slide tray on
bottom of shaft. Then screw on round black knob (#9).
Step 3a. Installing Batteries (not included)
Note: you may use 8 AA batteries (Step 3) or the AC adaptor
(Step 5) to operate the mount.
Pull the batteries compartment cover (shown) open.
Gently pull the batteries holder (shown next) out of the
compartment to avoid breaking the attached wires.
Step 3b.
Insert 8 AA batteries (not included) according to the diagrams on
the holder. Refer to the diagram on the holder to orient the
batteries properly. Replace the holder back into the batteries
compartment and replace the cover.
For reference: the battery pack fits in with wires on the bottom
right (See arrow in photo). Use only fresh batteries. Using/mixing
old or low batteries may cause error messages.
Optional AC Adapter and Car Charger accessories are available
Step 4. Attaching Telescope
Attach telescope to mount using the dovetail lock knob (#2).
Dovetail
lock (#2)
(Picture shows 80mm refractor. However all scopes will
attach in the same manner.)
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Step 5. Plug in hand controller and AC adaptor.
Plug hand controller into either one of the two HBX ports on the
mount. Next plug in AC adaptor. (Or use batteries—see step 3).
Turn on power (the red light should go on).
At this point you can begin observing manually. Use the 4 Arrow
keys (▲▼◄►) to rotate the scope Up, Down, Left, and Right.
Use the SPEED key to change the slew rate from the slowest
(2X) to the fastest (MAX).
The other HBX is reserved for accessories, such as external GPS
module, electronic focuser or laser pointer. DO NOT plug non-
iOptron accessories into the unit to avoid damaging the
mount or accessories.
Plug in AC
adaptor
here
For 80mm Refractor (#8502)…….....................................................
Insert 45º diagonal: Insert the diagonal into the eyepiece side of
the telescope. Tighten the thumbscrews to a firm feel only.
Insert the eyepiece: Slide the eyepiece into the open end of the
diagonal. Tighten the thumbscrews to a firm feel only. Remove
the dust cover from the other end of optical tube assembly.
45º diagonal
Use the focus knob to bring objects into focus. You may need to
turn the focus knob quite a few turns to focus your telescope for
the first time. Always start observing using a low power eyepiece
(such as a 25mm eyepiece) to get a nice wide field of view. Later
you can change to high power if so desired. Higher powered
eyepieces have a much narrower field of view. So it’s more
difficult to initially locate objects using higher powered eyepieces.
eyepiece
Focus knob
For 114mm Newtonian (#8503) …….................................................
Attach the red dot finder scope to the telescope tube (#1):
Point toward open
end of telescope
First remove the two washers on the tube. Then place the finder
scope onto the two bolts and re-attach the washers securely. The
finder scope should face towards the open end of the tube (see
arrow in diagram).
Bolts
Turn on the beam using the switch on the side. (note: you may
need to remove the plastic insulation placed next to the battery
underneath)
Switch
For 90mm Maksutov-Cassegrain (#8504)………………………………….
Diagonal
Install Diagonal by screwing it onto the back end of the scope.
You can adjust the position of the diagonal by loosening the free-
spinning threader on the diagonal.
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Install the Finderscope by sliding the dovetail plate onto the
sleeve (see arrow) and tightening the side screw.
Eyepiece
The eyepiece can be placed on the end of the scope or on the
side (see next step). Secure the eyepiece using the side screw.
Use the focus knob to adjust the focus.
Flip
switch
This picture shows the eyepiece on the side. Remove the
protective cap to insert the eyepiece. The diagonal is not used for
side viewing.
Use the flip switch to flip the internal mirror to view from the side
or the end of the scope.
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3. GOTONOVATM 8402G Hand Controller
HBX
Port
USB
Port
Figure 1. GOTONOVA 8402 Hand Controller
GOTONOVATM 8402G hand controller (HC)
is the standard controller for a SmartStar®-G
series mount and telescope, as shown in
Figure 1.
•
Arrow (▲▼►◄): Press ▲▼ buttons to
move a telescope along the altitude
direction, ►◄ to move a telescope
along the azimuth direction. Brows the
menu or move the cursor in operating
menu.
•
•
SPEED Key: To select slew speed (2X,
8X, 64X, 256X, and MAX)
Light Key(☼): Turns on/off the red LED
reading light on the back of the
controller.
HELP Key: Display the definition of
some terms.
HBX (handbox) port: connect the HC to
SmartStar mount using a 6-wire RJ11
cable.
3.1. Key Description
•
MENU: Press “MENU” to enter the Main
Menu.
•
BACK: Move back to the previous
screen, or end/cancel current operation,
such as slewing.
•
•
•
ENTER: Confirm an input, go to the next
menu, select
telescope to a selected object, or
stop/start tracking.
a
choice, slew the
•
USB port: connect the HC to a
Computer via a USB cable.
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3.2. The LCD Screen
The 8402 HC consists of a large 4-line LCD screen, which displays all the information as shown
in Figure 2. The user interface is simple and easy to learn.
Target Name
Target R.A.
GPS Status
Target DEC.
Slew Speed
Right Ascension
Declination
Tracking Speed
Altitude
Azimuth
Local Date and Time
N/S Hemisphere
Figure 2. 8402G HC LCD Information Screen
1. Target Name: display the name of the
4. Tracking speed: display current
target that telescope is currently point
to.
operation mode of the mount
•
•
Land: the mount is operating at a land
mode.
•
•
Park Position: A default position when
the mount is turned on, i.e., the
telescope is point to zenith (altitude is
90º) and the mount is facing south
(azimuth is 180º);
An object name, such as “Mercury” or
“Andromeda Galaxy”: Name of the
celestial object or land target that is
currently slewing, gotoing, observing or
tracking;
Cel., Sol. or Lun.: the mount is tracking
an celestial object at Sidereal, Solar or
Lunar speed.
5. Altitude of the telescope (zenith is 90º).
6. Azimuth of the telescope (north is 0º,
east 90º, south 180º, and west 270º).
7. Local Date and Time: display local time
2. GPS Status: when the power is turned
on, it shows “GPS ON”, which means a
GPS receiver is connected. When the
GPS receiver finds the satellite and
receives GPS signal, it shows “GPS
OK”. The “GPS OK” may turn off after
few minutes.
in
a
format
of
YYYY-MM-DD
HH:MM:SS.
8. N/S Hemisphere:
observation hemisphere.
display the
3. Slew speed: It has 5 speeds: 2X, 8X,
64X, 256X(1º/sec), MAX(4º/sec). Press
SPEED key to change it.
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sure the mount is leveled. Then turn the
mount power on.
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.
or
2. Turn the mount power on. Press the
SPEED button to select a slew speed
(MAX for fast slew and 2X for fine
tuning). Turn the SOUTH mark pointing
to south using ► or ◄ button. An
additional compass may be needed.
Rotate the telescope point to the zenith
using ▲ or ▼ button. A torpedo level
may help. Then turn the mount power
off and turn it on. Or you can press
MENU, scroll down to “Set Telescope
Coord.”, press ENTER. The default
number is “Alt: 90º00.0’ and Azi:
180º00.0’”. Press ENTER to complete
the initialization.
4.1. Level and Align the Mount
4.1.1. Level the Mount.
Leveling is critical for a good GOTO and
tracking accuracy.
Level the mount by observing the bubble
(shown) on the base of the mount by
adjusting tripod legs. The bubble should be
in the center of the circle. It is also
recommended to use additional levelers
(such as a torpedo leveler) to assure
precise leveling. Turn the mount around by
pressing ► or ◄ button to make sure it is
always leveled.
4.2. Setting Up the Mount
A
SmartStar-G
4.1.2. Initial Positions
is equipped with
a GPS receiver,
which
receive the local
time, longitude
and
Each time the mount is turned on, the
default position is Park Position, i.e.,its
altitude is 90º0.0’ and azimuth is 180º0.0’,
which means the “SOUTH” mark is pointing
to south and the telescope is pointing
straight up at the zenith. To set the Park
Position, you can do one of the following:
will
latitude
information from
a satellite after the link is established.
However, manual input is still needed for
time zone and Daylight Saving setting.
A clear sky outside is needed for GPS to
communicate well with the satellites.
2) Up
4.2.1. Set Up Time and Site
1) South
t lock (#4)
Press MENU button, from the main menu,
scroll down and select “Set up controller”
Select and slew
Land Objects
Sync. to target
Electronic focuser
Set up controller
Align
1. Align the mount to south by turning the
mount so that the South mark facing
south. An additional compass is needed.
Unlock the altitude lock (#4) and rotate
the telescope to point straight up at the
Zenith. A torpedo level may help. Make
User Object List
Watch List
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Press ENTER. Select “Set Up Time and
Site”
Time Zone
Hours
behind UT
Enter
Minutes
Set Up Time and Site
Set Display Info
Set Key Beep
Reset All
Hawaii
Alaska
-10
-9
600
540
480
420
360
300
Upgrade Firmware
Pacific
-8
Press ENTER. The “Set Local Time” screen
will show:
Mountain
Central
Eastern
-7
Set Local Time:
-6
2009-06-01 11:55:09
300 Min. behind
-5
UT
Daylight Time Saving √
To adjust minutes, move the cursor to each
digit and use the n▲ or ▼ key to change
the number. To change the “behind” or
“ahead of” UT, move the cursor to “ahead
of” and using ▲ or ▼ key to toggle between
“behind” and “ahead of”. For other parts of
the world, you can find out your “time zone”
information from internet, such as
DO NOT COUNT DAYLIGHT SAVING
TIME.
The local time will be updated when the
GPS picks up satellite signals. If for any
reason your GPS can’t pick up a signal you
can manually enter the time. Press ◄ or ►
key to move the cursor and using ▲ or ▼
key to change the number.
Press ◄ or ► key, move the cursor to the
line below time info to set the time zone
information (add or subtract 60 minutes per
time zone). Enter minutes “ahead of” or
“behind” UT (universal time).
To set daylight saving time, use the ◄ or ►
key to move the cursor to the bottom of the
screen, use ▲ or ▼ button to toggle the
Daylight Time Saving between X, which
means “No” and √, which means (Yes).
•
New York City 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
When the number is correct, press ENTER
and go to “Setup Site Info” screen:
Set up site info:
Longitude:
All the time zones in North America are
behind UT (universal time), as shown in the
following table. So make sure it shows
“behind” instead of “ahead of” UT.
W071d27m47s
Latitude:
N42d15m40s
The longitude and latitude coordinates will
be updated when the GPS picks up satellite
signals.
“W/E”
means
west/east
hemisphere; “N/S” means north/south
hemisphere; “d” means degree; “m” means
minute; and “s” means second.
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If for any reason your GPS can’t pick up a
signal you can manually enter the GPS
coordinates. Press ◄ or ► key to move the
cursor and using ▲ or ▼ key to toggle
between “W” and “E”, “N” and “S”, or 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.
Focusing Telescope:
1. After selecting the desired eyepiece aim
the telescope tube at a land-based target at
least 200 yards away (e.g. A telephone pole
or building). Fully extend focusing tube by
turning the focus knob.
2. While looking through selected eyepiece,
slowly retract focusing tube by turning
focusing knob until object comes into focus.
The site coordinates information can be
found from internet, such as GPSVisualizer
entering the city name or address. 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
Aligning Finderscope:
1. Look through main telescope tube and
establish a well-defined target (see focusing
telescope section). Tighten all lock knobs
(Declination, Latitude, Right Ascension,
Horizontal Axis) so that telescope’s aim is
not disturbed.
+0.53º,
0.8'=0.8x60"=48".
0.53º=0.53x60'=31.8',
Therefore,
2. Turn on the red dot finder and look
through the finder window. Adjust the red
dot alignment screws to center the red dot
on the object.
47.53º=47º31'48" or 47d31m48s. Same as
N47º31.8’: 31.8’=31’+0.8’, 0.8’=0.8x60”=48”.
4.2.2. Using your telescope
3. Now, objects located with the finderscope
first will be centered in field of view of the
main telescope.
Selecting an Eyepiece:
1. Always begin viewing with the lowest
power eyepiece. (Note: a 25 mm focal
length eyepiece has a lower power than a
10 mm one.) A formula can be used to
determine the power of each eyepiece:
Telescope focal length divided by eyepiece
focal length equals magnification. Ex.
400mm ÷ 25mm = 16X (magnification). The
rule of thumb is that the magnification
should not be too much larger than the OTA
aperture, otherwise view and color distortion
may occur.
4.2.3. Go to the Moon
After performing these setups, the mount is
ready to GOTO and track objects. The most
common object will be the Moon.
Press MENU button, select “Select and
Slew” by press ENTER button. Select
“Planets, Sun, Moon”, and using ▲ or ▼
button to select Moon. Press ENTER. The
telescope will automatically slew to the
Moon and lock on. It will automatically begin
to track once it locks on to it. Use the arrow
keys to center the Moon in your eyepiece, if
it is not centered. Press BACK key to stop
GOTO during the slew. Press ENTER key
to stop the tracking.
2. A 45° Erecting Diagonal Prism is included
in the R80 or MC90 telescope. The Erecting
Diagonal Prism is used to erect the image
you will see. Astronomical telescopes are
designed in such a way that the image you
see may be UPSIDE DOWN and
REVERSED. This is perfect for viewing
celestial bodies. However, it will feel strange
when observing a land object or a bird.
4.2.4. Initial Star Alignment
A simple alignment/synchronization can be
performed to improve the GOTO and
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tracking accuracy. To do so, press MENU
button, scroll down to “Align”, select “Easy
One Star Align” and press ENTER. A list of
three bright objects, such as Moon, Venus,
and other stars, will be displayed for you to
select from. Select an object using ▲ or ▼
key. Then press ENTER. Use ◄ ► ▲ or ▼
key to center the object in your eyepiece.
Press SPEED button to change the slew
speed if needed. Then press ENTER to
complete the alignment. Or press the BACK
key to cancel the process.
telescope mount to turn on the mount. Use
►,◄,▼ or ▲ buttons to point the telescope
to desired object. You may need using
SPEED key to change the slewing speed.
5.2. Slew to an Object
Press MENU button, from the main menu,
select “Select and Slew.” Select an object
you would like to observe and press ENTER
key.
The GOTONOVATM 8402G hand controller
has a database consists of over 50,000
objects. Use ► or ◄ button to move the
cursor and ▼ or ▲ button to change the
number. A check mark “√” indicates the
object is above the horizon, and cross mark
“X” means it is below the horizon. Only
those objects above the horizon can be
observed. In some catalogs, those stars
below the horizon may not display.
An alternate way is performing “Sync to
Target”. To do so, press MENU button,
select “Select and Slew” and press ENTER.
Then select a known sky object, such as
Moon from “Planets, Sun, Moon” menu and
press ENTER. The mount will slew to the
Moon. When the mount stopped slewing,
the Moon could be just inside your eyepiece
or way off. Press MENU button and scroll
down the menu to “Sync to Target” and
press ENTER. Follow the instruction, use ◄
► ▲ and ▼ keys to move the Moon in the
center of your eyepiece and press ENTER.
5.2.1. Planets, Sun, Moon
There are 9 objects in Solar system.
5.2.2. Deep Sky Objects
4.3. Turn Off the Mount
When finishing observing, always move the
mount to Park Position. If the mount is not
moved, no initial set up is needed when
powered on the next time. To do so, press
the MENU button, scroll down to “Park
Telescope” and press ENTER. Turn the
power off.
This menu includes objects outside our
Solar system such as galaxies, star
clusters, quasars, nebulae.
•
Named Deepsky Objects: It consists of
60 deep sky objects with their common
names. More information will be
available by pressing HELP key. A list of
named deep sky objects is also
attached in Appendix C.
5. Use SmartStar®-G
Telescopes
•
•
Messier Catalog: It consists of all 110
objects in Messier catalog. More
information will be available by pressing
HELP key.
5.1. Manual Operation of a
Telescope
NGC IC Catalog: consists of 7840
objects in NGC catalog and 5386
objects in IC catalog. To select an object
from NGC or IC catalog, move the
cursor to NGC, using▲ or ▼ button to
toggle between NGC and IC. Then
move the cursor to numerical position
You may observe land and astronomical
objects using GOTONOVA’s arrow keys.
After the telescope was assembled
(referring to Section 2. Telescope
Assembly), flip the I/O switch on the
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and use the number button to select the
object.
browse the watch list. (Refer to 5.9 Watch
List).
•
UGC Catalog: consists of 12939
objects.
5.2.9. Watch List Auto
This function will set the mount
automatically slew to all the objects listed in
Watch List at a preset time interval. The
time interval can be set to from 10 seconds
to 1200 seconds by using ▼ or ▲ button.
5.2.3. Comets
It contains up to 64 comets, with 16 pre-
loaded comets. This database is customer
upgradeable.
5.3. Land Objects
5.2.4. Asteroids
Up to 64 your favorite land objects can be
stored in the hand controller. Press MENU,
select “Land Objects” and press ENTER,
the Land Objects screen will show.
It contains up to 64 asteroids, with 16 pre-
loaded asteroids. This database is customer
upgradeable.
Goto Landmark
5.2.5. Stars
Record New Landmark
Add a New landmark
Edit One Data
Delete One Data
Delete All
•
Named Stars: It consists of 191 stars
with their common names. They are
listed alphabetically. A list is attached in
Appendix C.
•
Constellations: It consists of 88 modern
constellations with their names. They
are listed alphabetically. A list is
attached in Appendix C.
Goto Landmark:
Use ▼ or ▲ button to move the cursor to
“Goto Landmark” line, press ENTER. The
first saved landmark will display:
•
•
Double Stars: It consists of 40 double
stars. A list is attached in Appendix C.
SAO Bright Stars: It consists of 21460
SAO catalog objects.
No: 01
Name: Z0
Alt. 23d33.1m
5.2.6. User Objects
Azi. 225d58.8m
It can consist up to 128 user predefined
objects. These objects need to be entered
before they can be selected for slewing
(Refer to 5.8.1 R.A. and DEC).
Use ► or ◄ button to move the cursor and
▼ or ▲ button to change the number, then
press ENTER. The mount will automatically
slew to the target.
5.2.7. Enter Position
Go to a target by entering its R.A. and DEC
numbers.
This function only works if a land object has
been stored in database.
5.2.8. Watch List
A watch list is a list of your favorite celestial
objects in the database. It can be selected
for slewing. User can add, delete and
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Record New Landmark
Use ▼ or ▲ button to move the cursor to
“Record New Landmark” line, and press
ENTER. A landmark screen will show:
No: 01
Name: Z0
Alt. 23º33.1’
Azi. 225º58.8’
Alt. 13º 0.0’
Azi. 25º58.8’
Use arrow keys to
Move. Press “ENTER”
To modify.
Use ► or ◄ button to move the cursor and
▼ or ▲ button to change the number, then
press ENTER. You can change the name
and Alt/Azi coordinates accordingly.
64X
Use ◄ ► ▲ and ▼ keys to slew the
telescope to the target you want to observe.
Press SPEED button to change the slew
speed if needed. Then press ENTER to
save the target. Enter the Name using ▼ or
▲ to select form A-Z, 0-9 and “-, space“.
(such as Z0). The object No. will be
assigned by the system in order. Press
ENTER to record your landmark.
Delete One Data
Use ▼ or ▲ button to move the cursor to
“Delete One Data” line, and press ENTER.
The first saved landmark will display:
No: 01
Name: Z0
Alt. 23º33.1’
Azi. 225º58.8’
Add a new Landmark
Use ▼ or ▲ button to move the cursor to
“Add a new Landmark” line, and press
ENTER. Enter the Name using ▼ or ▲ to
select form A-Z, 0-9 and “-, space“. (such as
Z0). A coordinate setting screen will show:
Use ► or ◄ button to move the cursor and
▼ or ▲ button to change the number, then
press ENTER. Press ENTER to confirm the
deletion.
Enter Alt. Azi.
Alt: 13d 0.0m
Azi: 25d58.8m
Delete All Data
Use ▼ or ▲ button to move the cursor to
“Delete All Data” line, and press ENTER.
Press ENTER to confirm the deletion.
Press BACK to back to main menu.
Use ► or ◄ button to move the cursor, and
▼ or ▲ button to change the number. Then
press ENTER. Press ENTER to add the
landmark information.
5.4. Sync to Target
This operation will match the telescope's
current coordinates to Target Right
Ascension and Declination. After slew to an
object, move the cursor to “Sync to Target”
and press ENTER. Follow the screen to do
the sync. Using this function can improve
Edit One Data
Use ▼ or ▲ button to move the cursor to
“Edit One Data” line, and press ENTER.
The first saved landmark will display:
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the GOTO accuracy in nearby sky. Multiple
syncs can be performed if needed.
•
Keypad Backlight.
Use arrow keys to adjust keypad backlight.
Press ENTER.
“Sync to Target” will only work after “Select
and slew” was performed. You may need
using SPEED key to change the slewing
speed to make the centering procedure
easier. A default slew speed is 2X.
LCD Back Light
5.5. Electric Focuser
5.6.3. Set Key Beep
If you have an electric focuser in your
system and it is supported by GOTONOVA,
use this option to adjust the focuser. Use
◄► for coarse tuning and ▼▲ for fine
tuning.
Turn the key beep on/off.
5.6.4. Reset All
Reset all settings to factory default data.
5.6.5. Update Firmware
Refer to your Electric Focuser operation
manual for detailed instruction.
5.6. Set Up Controller
Firmware
updating
using
iOptron
Downloader through USB port on hand
controller. (Refer to Appendix E.)
5.6.1. Set Up Time and Site
•
Please refer to section 4.2.
5.7. Align
5.6.2. Set Display Info
This function is used for align the telescope.
Before star alignment, please make sure the
mount is well leveled. The system also
provides “Easy One Star Align”, “One Star
Align” and “Two Star Align”. Any one can be
selected for telescope alignment.
•
Adjust LCD Contrast
Use arrow keys to adjust LCD display
contrast. Press ENTER.
Adjust LCD Contrast
5.7.1. Easy One Star Align
From the main menu, select “Align”. Select
“Easy One Star Align” and press ENTER.
Three most popular objects, such as Moon,
a planet or a bright star that are above the
horizon will be provided for selection. Use
▲ or ▼ button to select an alignment star
and press ENTER. Then manually slew the
telescope to the object and center the object
in your eyepiece using ◄ ► ▲ or ▼ key.
Press SPEED button to adjust the slew
speed. Then press ENTER to complete the
alignment. Or press the BACK key to cancel
the process.
•
LCD Back Light.
Use arrow keys to adjust LCD screen back
light intensity. Press ENTER.
LCD Back Light
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or modified. For comets or asteroids, the
maximum number is 64, which includes the
preloaded objects.
5.7.2. One Star Align
From the main menu, select “Align”. Select
“One Star Align” and press ENTER. A list of
align stars that are above the horizon is
computed based on your local time and
location. Use ▲ or ▼ button to select an
alignment star and press ENTER. Center
the object in your eyepiece using ◄ ► ▲ or
▼ key. Press SPEED button to adjust the
slew speed. Then press ENTER to
complete the alignment. Or press the BACK
key to cancel the process.
To edit a user object, press MENU, use ▲
or ▼ button move the cursor to “User
Object List” and press ENTER. A following
screen will show:
R.A. and DEC.
Comets
Asteroids
If you have a very good initial setup, one
star alignment should be sufficient for good
GOTO accuracy. To increase the accuracy
you may choose to do two star alignment.
Use ▲ or ▼ button to select R.A. and
DEC., comets or asteroids.
5.7.3. Two Star Alignment
Two star alignment will increase the GOTO
accuracy of the mount. It is suggested to do
two star alignment after one star alignment.
Select “Two Star Align” in the Align menu.
Use ▲ or ▼ button to select a star and
press ENTER. The mount will slew to it
automatically. Use ◄ ► ▲ or ▼ key to
center the object in your eyepiece. Press
SPEED button to adjust the slew speed if
needed. Then press ENTER to complete
the alignment. After you finish the first star,
the system will prompt you to choose the
second star. Repeat the process to finish
the second star alignment. An “Align OK!”
screen will show briefly. To obtain a better
alignment effect, it is suggested to choose
two align stars far apart.
5.8.1. R.A. and DEC.
Select “R.A. and DEC.” and press ENTER,
a menu like following will show:
Add a new object
Edit one data
Delete one data
Delete all
Add a new object:
Use ▼ or ▲ button to move the cursor to
“Add a new object” line, and press ENTER.
Enter the name of your object by using ▲
or ▼ key to change the display from 1 to 9,
space, - and A to Z, and ◄ or ► key to
move the cursor. Press ENTER when you
are done. A screen will display to ask you to
enter R.A. and DEC. numbers:
“Two Star Align” result will be overridden if
“One Star Align” or “Sync. to Target” is
performed after “Two Star Align.”
5.8. User Object List
Enter R.A. DEC
Besides various star lists available in the
hand controller, users can add, edit or
delete their own defined objects. The
comets and asteroids list also can be
edited. Up to 128 user objects can be added
RA:
00h00.0m
DEC: +00d00.0m
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Use◄ or ► key to move the cursor and ▲
or ▼ key to change the numbers of your
object. RA ranges from 0 hour to 24 hour
and DEC from -90 degree to +90 degree.
No: 003
Name: SAO2940
R.A.
DEC
17h30.7m
86º58.1’
Press ENTER when it is done.
confirmation screen will show:
A
Save to No.
Press “ENTER” to
Confirm
Press, “BACK” to
Cancel
003 ?
r, and
▼ or ▲ button to change the number. Press
ENTER to delete selected object.
Delete all
Use ▼ or ▲ button to move the cursor to
“Delete all” line, and press ENTER to delete
all user R.A. and DEC. data.
Press ENTER to confirm. The user object
will be stored in the hand controller in
sequence. Up to 256 objects can be added.
5.8.2. Comets
Edit one data
Select “Comets” and press ENTER, a menu
like following will show:
Use ▼ or ▲ button to move the cursor to
“Edit one data” line, and press ENTER. A
user object screen will show:
Add a new comet
Edit one data
Delete one data
Reset comet data
No: 003
Name: SAO2940
R.A.
DEC
17h30.7m
86º58.1’
Add a new comet:
The hand controller has 16 preloaded
comets. Up to 64 comets can be stored in
the hand controller.
The first line shows the number of the user
object. The second line shows the name of
the user object, here is “SAO2940”. The
next two lines shows target’s current RA
and DEC coordinates. Use ◄ or ► move
the cursor position and ▲ or ▼ key change
the number and press ENTER to select the
object you want to edit.
Select “Add a new comet” and press
ENTER. Enter the name of your object by
using ▲ or ▼ key to change the display
from 1 to 9, space, - and A to Z, and ◄ or
► key to move the cursor. It will then ask
the following information: Year, Month, Day,
e, q, w, Omega and i. After entering all
these parameters, a confirmation screen will
show:
Follow the same procedure as “Add a new
object” to edit it.
Delete one data
Use ▼ or ▲ button to move the cursor to
“Delete one data” line, and press ENTER. A
user object screen will show:
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Save to No.
Press “ENTER” to
Confirm
17 ?
No: 17 X
Name: 2P
R.A. 23h 3.5m
Press, “BACK” to
DEC
0º34.8’
Cancel
Alt. -44º44.5’
Azi. 21º56.9’
object
will be stored in next available or previous
deleted comet position. It can be selected
and slewed from Comets menu.
Use ► or ◄ button to move the cursor, and
▼ or ▲ button to change the number. Press
ENTER to delete selected object.
Edit one data
Use ▼ or ▲ button to move the cursor to
“Edit one data” line, and press ENTER. A
user object screen will show:
Reset comet data
Use ▼ or ▲ button to move the cursor to
“Reset comet data” line, and press ENTER
to restore all deleted or modified comets
data to factory default setting.
No: 17 X
Name: 2P
R.A. 23h 3.5m
DEC
0º34.8’
5.8.3. Asteroids
Alt. -44º44.5’
Azi. 21º56.9’
Select “Asteroids” and press ENTER, a
menu like following will show:
Add a new Asteroid
Edit one data
Delete one data
The first line shows the number of this
comet and if it is above the horizon. The
second line shows the name of the comet,
here is “2P”. The third line shows comet’s
current RA and DEC coordinates. The
bottom line shows its altitude and azimuth
position. Use ◄ or ► move the cursor
position and ▲ or ▼ key change the
number and press ENTER to select the
object you want to edit.
Reset Asteroids data
Refer to 5.8.2 Comets to set the Asteroids.
5.9. Watch List
A watch list is a list of your favorite celestial
objects in the database. User can add,
delete and browse the watch list. All
celestial objects, include User objects, can
be compiled into the list. Up to 20 objects
can be added to the watch list.
Follow the same procedure as “Add a new
comet” to edit it.
Delete one data
To setup/modify a Watch List, press MENU,
use ▲ or ▼ button move the cursor to
“Watch List” and press ENTER. A following
screen will show:
Use ▼ or ▲ button to move the cursor to
“Delete one data” line, and press ENTER. A
screen consists comet information will
show:
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the front surface of the telescope’s
correcting lens causes virtually no
degradation of image quality and should
not be considered a reason to clean the
lens.
Add a watch object
Delete one data
Delete all
Browse the list
3. When absolutely necessary, dust on the
front lens should be removed with gentle
strokes of a camel hair brush, a soft
glass clean cloth or blown off with an
ear syringe (available at any pharmacy).
Do not use a commercial photographic
lens cleaner.
4. Organic materials (e.g., fingerprints) on
the front lens may be removed with a
solution of 3 parts distilled water to 1
part isopropyl alcohol. Use soft, white
facial tissues or cotton balls and make
short, gentle strokes. Change tissues
often. Do not use scented, colored, or
lotioned tissues as damage could result
to the optics.
Select “Add a watch object” and press
ENTER. Browse the celestial object list and
select the one you want to watch by press
ENTER. Follow the screen prompt to
confirm the selection. After you are done,
press BACK to back to Watch List menu.
You also can delete one or all objects in
your watching list. After the watch list is set,
it can be observed through “Select and
Slew” operation, either watching them
manually or automatically using Watch List
Auto.
5. If your telescope is used outdoors on a
humid night, telescope surfaces may
accumulate water condensation. While
such condensation does not normally
cause any damage to the telescope, it is
recommended that wait the entire
telescope be dried before being packed
away. Do not wipe any of the optical
surfaces. In addition, the dust cap
should not be placed back on to the
optical tube until the telescope is
thoroughly dry.
5.10. Set Telescope Coord.
Set the current Altitude and Azimuth of your
telescope.
5.11. Park Scope
Park your telescope. Return the telescope
to its initial position, i.e.,its altitude is 90º0.0’
and azimuth is 180º0.0’.
6. If your telescope is not to be used for an
extended period, perhaps for one month
or more, it is advisable to remove the
batteries from battery holder, if they are
installed. Batteries left installed for
prolonged periods may leak, causing
damage to the telescope’s electronic
circuitry.
7. Do not leave your telescope outdoors on
a warm day or inside a sealed car for an
extended period of time. Excessive
ambient temperatures can damage the
telescope’s internal lubrication and
electronic circuitry.
6. Maintenance and
Servicing
6.1. Maintenance
The SmartStar® G mount or telescope is a
precision instrument designed to yield a
lifetime of rewarding applications. Given the
care and respect due any precision
instrument, your telescope will rarely require
factory
servicing
or
maintenance.
Maintenance guidelines include:
1. Using wet cloth to clean the mount and
hand controller. Do not use the solvent.
2. Leave the dust cap on while not
operating the telescope. Avoid cleaning
the telescope’s optics. A little dust on
6.2. Storage and Transport
When not in use, store the telescope in a
cool, dry place. Do not expose the
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instrument to excessive heat or moisture. It
is best to store the telescope in its original
box with the altitude lock knob unlocked. If
shipping the telescope, use the original box
and packing material to protect the
telescope during shipment.
Cannot seem to focus (No image
appears in the eyepiece):
1. Confirm that the dust cap has been
removed from the telescope.
2. Keep turning the focus knob. Your
telescope has a fine focusing
mechanism which allows you to focus
an image very precisely. However, this
means that you may have to rotate the
focus knob 20 to 40 complete turns to
achieve focus, particularly the first time
you use your telescope. After that, fewer
turns will be needed.
When transporting the telescope, take care
not to bump or drop the instrument; this type
of abuse can damage the optics or affect
the GOTO tracking accuracy.
6.3. Troubleshooting
Images through the eyepiece appear
unfocused or distorted:
1. The magnification used may be too high
for the seeing conditions. Back off to a
lower power eyepiece.
2. If inside a warm house or building, move
outside. Interior air conditions may
distort terrestrial (land) or celestial
images, making it difficult, if not
The following suggestions may be helpful
with operation of the SmartStar® E mount or
telescope.
The power indicator light on the mount
does not come on or there is no
response
when
pressing
hand
controller’s arrow keys:
1. Verify that the power switch on the
mount is in the ON position.
2. Verify that the hand controller cord is
firmly connected to the HBX port on the
mount, or switch the cord to the other
HBX port.
impossible, to obtain a sharp focus. For
optimal viewing, use the telescope
outside in the open air instead of
observing through an open or closed
window or screen.
3. If viewing a land object on a warm day,
heat waves distort the image.
3. Check the power source, which include:
o Using the battery? Are the batteries
installed correctly? Are the
4. The optics within the telescope need
time to adjust to the outside ambient
temperature to provide the sharpest
image. To "cool down" the optics, set
the telescope outside for 10 to 15
minutes before observing begins.
batteries fresh? How long have
they been used? (frequent slew
and GOTO will deplete battery
power very quickly)
o Using AC or DC adapter? Check the
plugs to the mount and to the
power outlet.
o Using extension cord? Make sure
the cord is in good condition.
Power drop along the extension
cord was known to cause the
problem. Also check all the plugs
and connections.
Error Message “Warning! Motor driver
overloaded.”
1. Check the hand controller cord. Unplug
it and re-plug into, or plug it into another
HBX port.
2. Check the power source.
The telescope does not GOTO the right
object, or the alignment is always wrong:
1. If the telescope does not respond to
commands, set the power switch to OFF
and then back to ON.
2. If the telescope does not slew after
power is applied or if the motor quits or
stalls, verify that there are no physical
obstructions that would impede
telescope movement.
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1. Leveling (very important).
2. Site information (minutes ahead or
behind UT, DST).
3. Check the power source.
6.4. iOptron Customer Service
If you have a question concerning your
telescope, contact the iOptron Customer
Service Department. Customer Service
hours are 9:00 AM to 5:00 PM, Easter Time,
Monday through Friday. In the unlikely
event that the telescope requires factory
servicing or repairs, write or call the iOptron
Customer Service Department first, before
returning the telescope to the factory, giving
full particulars as to the nature of the
problem, as well as your name, address,
and daytime telephone number. The great
majority of servicing issues can be resolved
by telephone, avoiding return of the
telescope to the factory.
It is also strongly suggested to send your
technical questions to support@ioptron.com
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Appendix A. Technical Specifications
SmartStar® GOTO Mount
Mount
Body Materials
Motor
AltAzimuth Mount
Die-cast Aluminum
Dual-Axis DC Servo motor with encoders
Acetal worm wheel/Nylon 6 worm gear
4 steel ball bearings
Dual-Axis, 5-Gear, Electronic
(2×,8×,64×,256×,MAX)
GOTONOVATM 8402G
32bit ARM
Gear
Bearing
Speed
GOTO System
Processor
Object in Database
GOTO accuracy
Tracking
50,000+
1 Arc Min. (Typical)
Automatic
Payload
7 ~ 11 lb
Battery
AA x 8（Not Included）
DC 12V±2V, >1.2A
0 ~ 40ºC
Power Requirement
Operating Temperature
Weight with tripod
5.5 lbs (without OTA)
Refractor Telescope
Optical Design
Clear Aperture
Focal Length
Achromatic Refractor
80 mm
400 mm
Focal Ratio
f/5
Resolving Power
Weight
1.4 arc secs
2.2 lbs
Newtonian Reflector Telescope
Optical Design
Clear Aperture
Focal Length
Reflector
114 mm
1000 mm
f/8.8
Focal Ratio
Resolving Power
Finderscope
1 arc secs
Red dot
4 lbs
Weight
Maksutov-Cassegrain Telescope
Optical Design
Clear Aperture
Focal Length
Maksutov-Cassegrain
90 mm
1200 mm
f/13.3
Focal Ratio
Resolving Power
Finderscope
1.3 arc secs
Red dot
Weight
4 lbs
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Appendix B. GOTONOVATM 8402G HC MENU STRUCTURE
MENU
Select and Slew
Planets, Sun, Moon
Mercury
Venus
Mars
Jupiter
Saturn
Uranus
Neptune
Sun
Moon
Deep Sky Objects
Named Deepsky Object
Messier Catalog
NGC IC Catalog
UGC Catalog
Comets
Asteroids
Stars
Named Stars
Constellations
Double Stars
SAO Bright Stars
User Objects
Enter Position
Watch List
Watch List Auto
Land Objects
Goto Landmark
Record New Landmark
Add a New Landmark
Edit One Data
Delete One Data
Delete All
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Sync. To Target
Electric Focuser
Set Up Controller
Set Up Time and Site
Set Display Info
Set Key Beep
Reset All
Upgrade Firmware
Align
Easy One Star Align
One Star Align
Two Star Align
User Object List
R.A. and DEC.
Add a new object
Edit one data
Delete one data
Delete all
Comets
Add a new comet
Edit one data
Delete one data
Reset comet data
Asteroids
Add a new asteroid
Edit one data
Delete one data
Reset asteroid data
Watch List
Add a Watch Object
Delete One Data
Delete All
Browse the List
Set Telescope Coord.
Park Telescope
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Appendix C. GOTONOVATM Star List
GOTONOVA Deep Sky Object List
for 8402G
ID No.
1
OBJECT
Andromeda Galaxy
Barnards Galaxy
Beehive Cluster
Blackeye Galaxy
Blinking Planetary Nebula
Blue Flash Nebula
Blue Planetary
NGC # Messier # IC# A(Abell) U(UGC)
224
31
2
6822
2632
4926
6826
6905
3918
7662
6309
7635
6302
6405
1499
6543
3
44
64
4
5
6
7
8
Blue Snowball Nebula
Box Nebula
9
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
Bubble Nebula
Bipolar Nebula
Butterfly Cluster
California Nebula
Cat's Eye Nebula
Cocoon Nebula
Cone Nebula
6
5146
2264
650-51
1952
Cork Nebula
76
1
Crab Nebula
Crescent Nebula
Draco Dwarf
6888
10822
Duck Nebula
2359
6853
Dumbbell Nebula
Eagle Nebula
27
16
Eight-Burst Nebula
Eskimo Nebula
3132
2392
Flaming Star Nebula
Ghost of Jupiter
Great Cluster
405
3242
6205
7293
13
Helix Nebula
Hercules Galaxy Cluster
Hind's Variable Nebula
Hubble's Variable Nebula
Integral Sign Galaxy
Jewel Box Cluster
Keyhole Nebula
2151
1555
2261
3697
4755
3372
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36
37
38
39
40
41
42
43
44
45
46
47
48
Lagoon Nebula
Little Gem
6523
6445
6818
6369
7000
6618
1976
3587
8
Little Gem Nebula
Little Ghost Nebula
North American Nebula
Omega Nebula
Orion Nebula
17
42
97
Owl Nebula
Pelican Nebula
Phantom Streak Nebula
Pinwheel Galaxy
Pleiades
5070
6741
598
33
45
57
Ring Nebula
6720
49
50
Ring Tail Galaxy
Rosette Nebula
4038
2237
51
52
53
54
55
56
57
58
59
60
Saturn Nebula
Sextans B Dwarf
Small Magellanic Cloud
Sombrero Galaxy
Spindle Galaxy
7009
5373
9749
292
4594
3115
2024
6514
104
20
Tank Track Nebula
Trifid Nebula
Ursa Minor Dwarf
Whirlpool Galaxy
Wild Duck Cluster
5194
6705
51
11
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Messier
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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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
31
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GOTONOVA Named Star List
for 8402G
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
049 Ascella
097 Kaus Australis
098 Kaus Borealis
099 Kaus Media
100 Keid
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
145 Rassalas
146 Rasagethi
147 Rasalhague
148 Rastaba
149 Regulus
150 Rigel
151 Rigel Kentaurus
152 Ruchbah
153 Rukbat
050 Asellus Australis
051 Asellus Borealis
052 Aspidiske
053 Atik
054 Atlas
055 Atria
056 Avoir
057 Azha
058 Baten Kaitos
059 Beid
060 Bellatrix
061 Betelgeuse
062 Biham
063 Canopus
064 Capella
065 Caph
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
016 Algedi
017 Algenib
018 Algiebra
019 Algol
020 Algorab
021 Alhena
022 Alioth
023 Alkaid
024 Alkalurops
025 Alkes
066 Castor
067 Celabrai
068 Celaeno
069 Chara
070 Chertan
071 Cor Caroli
072 Cursa
073 Dabih
074 Deneb
026 Almach
027 Alnasl
075 Deneb Algedi
076 Deneb Kaitos
077 Denebola
078 Dubhe
079 Edasich
080 Electra
081 Elnath
082 Eltanin
083 Enif
084 Errai
028 Alnilam
029 Alnitak
030 Alphard
031 Alphecca
032 Alpheratz
033 Alrakis
034 Alrescha
035 Alshain
036 Altair
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
037 Altais
038 Alterf
085 Fomalhaut
086 Furud
133 Nunki
181 Vindemiatrix
182 Wasat
183 Wazn
184 Yed Posterior
185 Yed Prior
186 Zaniah
187 Zaurak
188 Zavijava
189 Zosma
190 Zubenelgenubi
191 Zubeneschamali
134 Nusakan
135 Peacock
136 Phact
137 Phecda
138 Pherkad
139 Pleione
039 Aludra
040 Alula Australis
041 Alula Borealis
042 Alya
043 Ancha
044 Ankaa
045 Antares
046 Arcturus
047 Arkab
087 Gacrux
088 Giausar
089 Gienah
090 Gomeisa
091 Graffias
092 Groombridge 1830 140 Polaris
093 Grumium
094 Hamal
095 Homan
096 Izar
141 Pollux
142 Porrima
143 Procyon
144 Propus
048 Arneb
32
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GOTONOVA Double Star List
for 8402G
No.
Object
Const
SAO
21732
110291
38288
168373
40186
132406
113389
151881
79294
Name
Achird
Alrisha
1
2
3
4
5
6
7
8
Eta
Alpha
Theta
Alpha
Alpha
Sigma
Mu
Alpha
Delta
Alpha
Alpha
Epsilon
HR 3579
Kapa
Psi
Cas
Psc
Per
For
Aur
Fornacis
Capella
Ori
Ori
CMa
Gem
Gem
CMi
Hya
Sirius
Wasat
Castor
9
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
60198
115756
117112
42642
42661
221234
81298
222199
222321
15384
28737
99587
223603
138917
252019
204545
252838
101145
225938
83958
159665
184415
121658
65485
160332
123107
187600
48796
106316
71121
UMa
Vel
Leo
Algieba
Gamma
HR 4167
Mu
Alpha
Zeta
Vel
UMa
UMa
Leo
Cen
Vir
Dubhe
Mizar
Iota
Gamma
Gamma
Beta
HR 5089
Alpha
Zeta
Gamma
Gamma
Xi
Alpha
Lambda
Zeta
Eta
70
Zeta
Delta
Beta
Porrima
Mus
Cen
Boo
Lup
CrA
Sco
Sco
Oph
Her
Oph
Oph
Sgr
Antares
Marfic
Sabik
Ascella
Cyg
Del
Cyg
Lyr
Rotanev
Tau
Epsilon
67310
double double
33
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Appendix D. Set Up USB-PC Connection
Before a computer being used to control the mount or update the firmware, a connection
between PC and 8402G Hand Controller has to be established. There are two versions of 8402
HCs, namely 8402G and 8402A. The USB2COM chipsets used in these two HCs are different.
To identify your HC’s version, please read the initial LCD screen when the mount is turned on.
If it is an 8402G Hand Controller, the LCD screen shows following when it is turned on:
GOTONOVATM
8402G V071022W
1. Install PL-2303 (usb2com) driver
Download USB to COM driver for 8402G hand controller from iOptron website and double click
on the compressed file:
Double click on it, and you will see:
34
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Click “Next”.
When finished installation, click “Finish”
2. Plug the USB cable into a USB port on your PC, plug the other end of the USB
cable to hand controller. Turn the mount power on.
35
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3. Install the Hardware
The computer will find a new hardware and install the driver automatically.
Now you computer should be ready for Firmware Upgrading, computer communication with the
mount via ASCOM platform and planetarium software applications. However, you need to find
assigned COM port number for the USB connection. To do so, right click “My Computer”, and
click “Properties”
Click “Hardware”, click “Device Manager”
36
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Double click on “Ports (COM & LPT)”, find out the COM number and write it down (in the
following figure, it is COM4)
37
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Appendix E. Firmware Upgrade
1. Download and install Firmware Downloader from iOptron Website
2. Double click and open “iOptron Downloader”
On the interface, select appropriate port using pull-down menu (in this case, COM4):
38
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Click “Open Data File”, and select appropriate “.bin” file that matches your hand controller.
and click “Open”. Select “Main Program” ONLY in Update Type.
Click “Start Download”
It shows “Please reset GOTONOVA[GOTOSTAR], waiting for connection…”
On the hand controller, press “MENU”, and using ▼▲ scroll to select “Set up controller”, press
“ENTER”, then select “Upgrade firmware”, press “ENTER” and the upgrade starts.
39
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Now the upgrade is finished.
Typical Errors:
1. Invalid Port Number: in Device Manager, make sure you have the correct COM port
number for “Prolific USB-to-Serial Comm Port.”
2. Wrong “.bin” file: make sure you have the correct “.bin” file for firmware upgrade.
3. Wrong downloader, you should use iOptron Downloader instead of the Flash
Downloader.
4. Use PL-2303 driver provided by iOptron. The newest version from Prolific may not work
properly for iOptron’s hand controller.
40
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Appendix F. Use a PC to Control an iOptron Mount
In general you need the followings to use a PC to control a SmartStar-G mount,
1. Download USB2COM driver (PL-2303, zip file for 8402G)
2. Install USB2COM and establish the connection between the mount and the PC (see
instruction);
3. ASCOM platform (download from http://ascom-standards.org/);
4. iOptron ASCOM drive (download it from iOptron website,
5. Planetarium software.
Some company has integrated iOptron’s products into their planetarium software, such
as Voyage and The Sky X Pro. Therefore, an ASCOM plug-in will not be needed. Most
planetarium software can be used to control iOptron’s product via ASCOM.
Some other ASCOM drivers, such as LX200 Generic ASCOM driver and AstroPhysics
GTO driver, are also compatible to SmartStar® mount.
41
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IOPTRON ONE YEAR LIMITED WARRANTY
A. iOptron warrants your telescope, mount, or controller to be free from defects in materials and workmanship for one year. iOptron
will repair or replace such product or part which, upon inspection by iOptron, is found to be defective in materials or workmanship.
As a condition to the obligation of iOptron to repair or replace such product, the product must be returned to iOptron together with
proof-of-purchase satisfactory to iOptron.
B. The Proper Return Authorization Number must be obtained from iOptron in advance of return. Call iOptron at 1.866.399.4587 to
receive the number to be displayed on the outside of your shipping container.
All returns must be accompanied by a written statement stating the name, address, and daytime telephone number of the owner,
together with a brief description of any claimed defects. Parts or product for which replacement is made shall become the property
of iOptron.
The customer shall be responsible for all costs of transportation and insurance, both to and from the factory of iOptron, and shall be
required to prepay such costs.
iOptron shall use reasonable efforts to repair or replace any telescope, mount, or controller covered by this warranty within thirty
days of receipt. In the event repair or replacement shall require more than thirty days, iOptron shall notify the customer accordingly.
iOptron reserves the right to replace any product which has been discontinued from its product line with a new product of
comparable value and function.
This warranty shall be void and of no force of effect in the event a covered product has been modified in design or function, or
subjected to abuse, misuse, mishandling or unauthorized repair. Further, product malfunction or deterioration due to normal wear is
not covered by this warranty.
IOPTRON DISCLAIMS ANY WARRANTIES, EXPRESS OR IMPLIED, WHETHER OF MERCHANTABILITY OF FITNESS FOR A
PARTICULAR USE, EXCEPT AS EXPRESSLY SET FORTH HERE. THE SOLE OBLIGATION OF IOPTRON UNDER THIS
LIMITED WARRANTY SHALL BE TO REPAIR OR REPLACE THE COVERED PRODUCT, IN ACCORDANCE WITH THE TERMS
SET FORTH HERE. IOPTRON EXPRESSLY DISCLAIMS ANY LOST PROFITS, GENERAL, SPECIAL, INDIRECT OR
CONSEQUENTIAL DAMAGES WHICH MAY RESULT FROM BREACH OF ANY WARRANTY, OR ARISING OUT OF THE USE
OR INABILITY TO USE ANY IOPTRON PRODUCT. ANY WARRANTIES WHICH ARE IMPLIED AND WHICH CANNOT BE
DISCLAIMED SHALL BE LIMITED IN DURATION TO A TERM OF TWO YEARS FROM THE DATE OF ORIGINAL RETAIL
PURCHASE.
Some states do not allow the exclusion or limitation of incidental or consequential damages or limitation on how long an implied
warranty lasts, so the above limitations and exclusions may not apply to you.
This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.
iOptron reserves the right to modify or discontinue, without prior notice to you, any model or style telescope.
If warranty problems arise, or if you need assistance in using your telescope, mount, or controller contact:
iOptron Corporation
Customer Service Department
6X Gill Street
Woburn, MA 01801
Tel. (866)399-4597
Fax. (781)935-2860
Monday-Friday 9AM-5PM EST
NOTE: This warranty is valid to U.S.A. and Canadian customers who have purchased this product from an authorized iOptron
dealer in the U.S.A. or Canada or directly from iOptron. Warranty outside the U.S.A. and Canada is valid only to customers who
purchased from an iOptron Distributor or Authorized iOptron Dealer in the specific country. Please contact them for any warranty
42
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