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Celestron CGEM 1100 Schmidt-Cassegrain telescope
The catadioptric Celestron CGEM 1100 telescope plus equatorial mount has been ergonomically designed and has a fresh, bold and attractive appearance. The mount is suitable for astrophotography as well as for "ordinary" observations. The CGEM 1100 comes with NexRemote software for the telescope to be used in combination with your PC. Moreover, the Celestron CGEM 1100 telescope is easy to (dis)assemble and transport.
CGEM database
The database of the Celestron CGEM 1100 contains over 40.000 celestial objects including Messier objects, the Caldwell Catalog, NGC systems, nebulae and planets. A special identification feature tells you where to look, but you can also take a tour through the sky. For example: point the telescope somewhere, let it identify the Messier objects and the Celestron CGEM 1100 telescope will show automatically the five nearest objects; that’s GoTo at its best!
Alignment
The Celestron CGEM 1100 telescope features a revolutionary alignment method called All-Star Polar Alignment. Using the software you align the telescope by selecting a bright star; alignment is possible even without seeing the North Star.
Click here for a comprehensive user manual (English)
Astrophotography
This telescope is suitable for astrophotography, provided you are in possession of the right camera adapter and T2 ring. See our range.

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| General | ||
|---|---|---|
| Type | Catadioptric | |
| Brand | Celestron | |
| Series | CGEM | |
| Guarantee | 2 years | |
| GoTo system | ![]() | |
| Tripod material | Stainless steel | |
| Mounting | Parallactic/Equatorial | |
| Power supply | 12V DC | |
| Tracking motor | ![]() | |
| Slow motion controls | Electric RA and DEC | |
| Dimensions & Weight | ||
| Weight | 29 kg | |
| Optics | ||
| Objective diameter ø | 280 mm | |
| Coating | StarBright XLT coating | |
| Magnitude limit | 9,6 mag. | |
| Resolving power | 0,4 arcsecond | |
| Maximum useful magnification | 560× | |
| Tripod weight | 17 kg | |
| Built-in mount for polar alignment | ![]() | |
| Accessories | ||
| Other accessories | Erecting eyepiece | |
| Eyepiece diameter ø | 1,25″ | |
| Eyepieces | 40mm | |
| Number of eyepieces | 2 pcs. | |
| Viewfinder | 9x50 | |
| GoTo | ||
| Hemisphere operation | Northern and Southern | |
| RA/AZ motor drive system | DC servo motors | |
| Autostar objects | 40000 objects | |
| DEC/EL motor drive system | DC servo motors | |
| Slew speeds |
| |
| Tracking speeds |
| |
| Ratings | ||
| Suitable for | advanced users | |
| Easy to transport | ||
| Easy to set up | ||
| Easy to use | ||
| Lunar/planetary observation | ||
| Deep space observation | ||
| Lunar/planetary photography | ||
| Deep space photography | ||
| Daytime terrestrial observation | ||
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