ZWO Seestar S50 User manual

Seestar S50
User Manual

1
Table of Contents
Perface .......................................................................................... 2
Tips ............................................................................................... 3
Included Items ...............................................................................4
1. Product Introduction ..................................................................5
2. Performance Paramenters .........................................................6
3. How to Use ................................................................................8
3.1 Introduction to Seestar S50 ...............................................8
3.2 Installation of Seestar S50 and App .................................. 9
3.3 Connect Seestar S50c .....................................................10
3.4 Introduction to Seestar app .............................................12
3.5 Mounting and Dismounting ............................................. 19
3.6 Stargazing and Scenery .................................................. 21
3.7 Shut down and Pack ....................................................... 22
4. Observation and Shooting Skills ..............................................23
5. Structural Dimensions ............................................................. 24
6. Disclaimer ................................................................................25
7. After Sales ............................................................................... 26
8. Warranty .................................................................................. 27

2
Perface
Thank you for purchasing the All-in-One smart telescope Seestar S50. (After 5 years of
R&D and Integration of cutting-edge intelligent technology and humanized design ，
Seestar launched for astronomy enthusiasts around the world: the smart telescope
Seestar S50 which is integrates popular, lightweight and intelligent design.
Seestar is a brand of intelligent astronomical equipment under ZWO. Seestar S50 is an
integrated solution for smart astrophotography that integrates theodolite, telescope,
camera, master control, image post-processing, etc., with a self-weight of only 2.5kg.
With Seestar app, users can observ the images in the telescope lens and provide the
introduction of the target, which is convenient for users to quickly carry out astronomical
observation and astronomy science popularization activities。
The purpose of this manual is to introduce the use of the intelligent astronomical
telescope to users in the form of text instructions and legends, and remind the possible
improper operation or dangerous situation. Please ensure that you read this manual
carefully before using the smart telescope, and follow the instructions carefully. Any
equipment damage and personal injury caused by improper operation shall be borne by
the user himself.

3
Tips
This manual can guide users to use the equipment safely and efficiently. Before using the
equipment, please make sure to read the following warm tips carefully, and strictly follow
the guidance of this manual during actual use.
The contents of this manual are subject to change. Updated instructions on how to use
this product, see Notes to the online available Manual on https://www.seestar.com/.
1、Do not directly observe the sun without a special solar filter, which will cause
irreversible damage to the product.
2、Minors should use this product under adult supervision.
3、Please use a proper manufacturer charger to charge the product, Seestar is not
responsible for damage caused by the power charger (charger specifications: support
USB BC1.2). Normal mode supports 5V 2A, fast charge mode supports up to 12V 3A).
4、Privately disassembled, modified products do not enjoy the warranty policy.
5、The product is a precision electronic instrument, avoid water or ash, please keep it
properly when not in use.
6、The front lens should not be in contact with the glass window, cloth, glasses cloth,
liquid, etc., and only use the special wipes for optical lenses.
7、We recommend the use of this product in 0°C to 40°C.
8、Do not use chemical solvents (such as alcohol, thinners) or other cleaning liquids that
can be layered, cleaning products or their accessories.
9、Keep away from open flame to prevent battery explosion.
10、In the case of low temperature, the battery capacity will have different degrees of
attenuation, which is the characteristics of lithium batteries, which is a normal
phenomenon.
11 、Store the product in a clean and dry place (preferably at room temperature and
humidity below 65°C). When there is a thunderstorm or the device is not used for a long
time, turn off and put it away.

4
Included Items

5
1. Product Introduction
Seestar S50 which is popular, lightweight and intelligent, simplifies the tedious process
of outdoor astrophotography. Seestar S50 is the first choice for beginners.
Key Features:
1、Lightweight Design: Highly integrated All-in-One smart telescope, electrical focuser,
astronomical camera, ASIAIR, altazimuth mount, dew heater and filter wheel into one
compact body, with a self-weight of only 2.5kg.
2、Clean, crisp, low noise images: Seestar S50 allows you to create stunning images
using the live stacking mode. The more images you capture the more color and details
will grow before your eyes.
3、Intelligent Workflow: Auto GoTo, tracking and plate solve Smart control on Seestar
app.
4、Dual Photography Mode: Stargazing, photography, intelligent superposition,
post-processing, proficient in everything.
5、Database: Astronomical database, Star atlas, Encyclopedia, and Tonight’s best
recommendations.
6、Global Astro Community: Share works, communicate with friends online, get
real-time weather information and more.
7、Self-developed System: The use of ZWO independent research and development of
the motherboard, making the whole system run more stable, more convenient in the later
after-sales service. The self-developed system combines a number of ZWO patented
technologies to ensure system stability and shooting accuracy in use, while continuing to
iterate APP development and upgrading in the later stage, increasing product functions
and improving user experience.
8、Dual narrow-band filter: Considering that most users are in the light pollution area, we
have added dual narrow-band light filter (bandwidth OIII 30nm/Ha 20nm) on the
hardware, and users can manually switch to the light pollution filter in the App.

6
2. Performance Paramenters
Product model
Seestar S50
Sensor
IMX462
Resolution
1080 x 1920
Aperture
50mm
Focal ratio
f/5
Focal length
250mm
Optical lens
Apochromatic triplet
Working distance
30m~∞
Storage
64GB
Transmission
Wi-Fi/USB-C/Bluetooth
Wi-Fi
5G/2.4G
WiFi range
≤10m
Bluetooth range
≤5m
Working temperature
-10°C-40°C
（Forced shutdown when temperature is over 60℃）
Charging temperature
0-40°C
Mount type
Alt- azimuth
Slew rate
20X- 1440X
Zero position
Mechanical
Battery capacity
6000mAh
Connection port
3/8-20 inch
Net weight
2.5kg
Power input
Type-C
Wi-Fi reset
Yes
Size
142.5 X 130 X 257

7
Battery Specification
Max Charge Volt
4.2V
Rated Volt
3.7V
Rated Capacity
6000mAh
Rated Power
22.2Wh

8
3. How to Use
3.1 Introduction to Seestar S50
①Charge：Type-C
②Power Button：
Display
Press when power off
Power On
Press and hold for 2s
Power Off
Press and hold for 2s
Forced Shutdown
Press and hold for 6s
③Power indication: Display the on-off status, Wi-Fi reset status, and working status.
Blinking red when the battery is lower than 15%
Scene
Function
Disconnect when power on
Steady yellow
Wi-Fi reset
During the reset process, the power light
flashes yellow; End of reset, steady yellow;
Reset failed. Blinking red
Low Power（lower than 15%）
Red flashing
Working Status
Steady yellow
④Wi-Fi Reset Button：Press and hold Wi-Fi Reset Button for 3s until Wi-Fi reset; If you
cannot search for Wi-Fi after powering on Seestar S50, you can enable this button
⑤Tripod connection interface: 3/8" screw thread
⑥Battery cover: Remove the cover to replace the battery (cover screw specification:
M3x8 cross countersunk self-tapping screw）
⑦Pre-filter interface: If you are observing the sun, make sure to install a solar filter on
this interface

9
Tripod：
The small tripod that comes with Seestar S50 has a maximum development height of
363mm, a storage length of 274.5mm, and a 3/8 "screw that is normally used for
photography tripods at the top, which can be connected to Seestar S50 thread.
Seestar S50 can also be connected to various photographic tripods with 3/8
"threads.
3.2 Installation of Seestar S50 and App
（1）Unfold and level the tripod and install Seestar S50 onto the tripod.
（2）Install the Seestar app and power on the device

10
With Seestar app, you can shoot, superposition and post-process objects, quickly start
your astrophotography journey and share your work with the global astronomy
community!
Scan the following QR code or download Seestar app from the app store
Press and hold Power button on Seestar S50 for 2s to start it.
For the first-time boot, you need to short press the power bottom for one second a
nd then long press for 2 seconds. Then wait for the boot after the light indicator is
on.
* If the power supply of Seestar S50 is too low, it cannot be power on.
3.3 Connect Seestar S50c
1. When you hear the voice prompt of “power on, ready to connect”, stay on your phone
or tablet close to Seestar. Tap the “Connect” icon on the main page of the App.
*Note: You need to allow Seestar APP to access “Bluetooth”, “Device Connection” and “Network” on
your phone to complete the connection.

11
2. At this time, Seestar app will scan and display the nearby Seestar devices. Please
select the Seestar device you want to connect to and follow the app's instructions to
complete the connection.
3. If this is the first time your phone or tablet connects to Seestar, the App will remind you
to press the reset button on the bottom of the Seestar device to confirm the connection.
4. For the first use of Seestar S50, the App will automatically connect to the Internet to
activate the device. Please ensure your phone or tablet has access to the Internet(mobile
data or Wi-Fi) during this step。

12
*Note: Do not put the Seestar APP to the background or close it during activation.
If activation fails, check the Internet access of your phone or tablet and then try again. Should failure
lasts, please contact our customer service.
5. Once the Bluetooth connection is successful, Seestar app will automatically connect to the Seestar
device's
Wi-Fi. If the connection fails, please follow the prompts to retry or try manually connecting to Seestar's
Wi-Fi:
In your phone or tablet's system settings.
navigate to "Wi-Fi" and select Seestar's Wi-Fi network (S50_xxxxxx), enter the initial password
"12345678" and
wait for a moment to complete the device connection
3.4 Introduction to Seestar app
The main features and usage of the Seestar app are introduced next. App layout as
vertical version. You don't need to connect Seestar S50 to part of Seestar app.
3.4.1 Home Page
Go to Home Page after connecting Seestar S50 successfully.

13
1Device
If the device is not connected, tap the "Start Connection" button to initiate the
connection of the device, as described in the section "Connecting Devices".
After the connection, the device name will be displayed. After the login account, the user
nickname and device model will be displayed. If there is no login account, only device SN:
S50_93ec04a0 is displayed.
2Observation-weather

14
Need Internet access to location, moon phase, weather information, stargazing index.
Includes: the lunar phase diagram, the percentage of the lunar surface illuminated;
Temperature, cloud cover, sunset time, moonset time.
3Observation Mode
The Seestar S50 has four modes: Stargazing Mode 、Sun Mode 、Moon Mode and
Scenery Mode。
Tap Stargazing Mode and go stargazing.
Tap Scenery Mode and go observing scenery and stars.
Note: If you touch the viewing mode card while viewing the stars (non-preview: including
GoTo, AF, AC, Enhance), the App will display "Viewing the stars, need to stop".
4Recomendation
Tip: You need to go online to get the latest recommended celestial articles.
Tap Recommendation to open the article page. Swipe right to see the next
recommendation and swipe left to see the previous recommendation.
5Bottom navigation bar
There are five columns at the bottom: Seestar S50 page, SkyAtlas page, Square page,
Nearby page and My page。
SkyAtlas page: Star simulation, celestial database search, celestial encyclopedia, star
map Settings, etc。
Square page: works classified display, community interaction (like, share, publish, etc.);
Information such as shooting parameters, equipment and type of work is automatically
brought into the publishing works page.
My page: login, register account; Account setting entry, App setting entry

15
3.4.2 Devices Management Page
You can find Device Info here and do some settings.
Lens fog removal: When the night humidity is too high, it is easy to create dew on the
lens, just turn on the fog removal function in the Settings page, Seestar will heat the lens
to prevent lens fog and dew.
Wi-Fi: Show the name and password of Wi-Fi.
Volume: Seestar S50 automatic voice broadcast the current status and shooting targets,
here you can adjust the volume of the device。
Firmware: If no new firmware is available, the existing firmware version is displayed. If the
new firmware is available, the system prompts you to upgrade it. Click on it and follow
the prompts.
Device Info: Model, SN, bound account, activation period, warranty period。
Power Off: Exit Seestar app at the same time。
3.4.3 Horizontal Adjustment

16
When the device card shows no level, adjust the tripod until the two circles in the picture
coincide.
Adjust Seestar's tripod. When the difference is less than 3°, it is adjusted to a reasonable
range. The smaller the value, the better.
Note: Modulation level is a necessary condition for GoTo and tracking, so modulation
level cannot be skipped during observation preparation. That is, the tone level that
appears under the astronomical database or after tapping the Gazing button in the star
map cannot be skipped.

17
3.4.4 Stargazing Mode
Exit current mode
Hold and drag the bottom circle to adjust the telescope pointing, or drag the
image up and down to the left and right to adjust the telescope pointing.
Tap to start autofocus
Select a celestial body and start stargazing

18
Labeled object
Control screen
Light damage filter can be turned on before enhancement
Tap to open the enhanced image
Tap to view local works and Seestar files

19
Scenery Mode
Exit current mode
Hold and drag the bottom circle to adjust, or drag the image up and down to the
left and right to adjust the telescope point.
Select the focus area of the picture and tap the button to start focusin
Tap to start autofocus
Tap to view local works and Seestar files
3.5 Mounting and Dismounting