Celestron CGX 1100 Schmidt Cassegrain
General Features
- 11" Schmidt-Cassegrain Optical Tube Assembly
- Aluminum Optical Tube
- Celestron's premium StarBright XLT coatings
- 2800 mm focal length (f/10)
- 40 mm eyepiece included (70x)
- Visual back allows for use with 1.25" accessories 9x50 finderscope to help accurately find objects
- Star diagonal provides more comfortable viewing position when observing objects that are high in the sky
- Includes dovetail rail compatible with CGE mount
Computerized Mount Features
- ASturdier and more rigid with quicker dampening time
- Increased load capacity to 55 lbs.
- Improved motors provide more torque, better slewing and tracking under heavy loads
- Heavy Duty belt-drive system minimizes backlash while providing smooth motor operation under heavy loads
- Spring-loaded brass worm wheel and stainless steel worm gear reduce friction and provide optimum gear mesh
- Internal cabling for worry-free remote operation. Power input and accessory ports remain stationary while the mount slews to avoid snags
- Internal hard stops for both axes prevents cable tension and tripod strike
- Internal optical sensors on both axes for simple and safe remote operation
- Home sensors allow the mount to always start in the index position regardless of orientation before a power reset
- Limit sensors automatically shut off slewing or tracking before reaching the hard stop fail safe
- Control software developed in conjunction with PlaneWave Instruments for professional level control operation and imaging
- Software includes multi-point mount modeling for extremely precise pointing accuracy and many more additional features for remote astroimaging
- Wider tripod stance for improved stability
- Adjustable EQ head position to optimize center of gravity over the tripod and fully utilize the increased 3º-65º latitude range
- Dual-fit CG-5/Vixen and CGE/Losmandy dovetail saddle
Improved tripod includes:
- 2" steel legs with height index marks for quick leveling
- "Jack of all trays" can hold three 1.25" eyepieces, two 2" eyepieces, your smartphone, or other accessories
- +20º of additional tracking past the meridian on either side
- Tripod legs can be collapsed with accessory tray installed for faster setup and transport
Improved ergonomics:
- Two handles for easy pickup and transport
- Ergonomically designed dovetail clamping knobs
- Innovative and improved polar alignment adjustment system
- Ergonomic latitude adjuster for smooth and easy adjustment under full loads
- Optional add-on polar axis finderscope - coming soon
Electronics:
- NexStar+ hand control with USB port
- Two AUX accessory ports to support wireless/WiFi alignment and operation with StarSense AutoAlign and SkyPortal WiFi Module accessories (sold separately)
- USB 2.0 port, used to connect directly to PC with included software
- Autoguider port
- PPEC ready
- Threaded 12VDC power input barrel connector
- Internal Real Time Clock (keeps time and site information saved)
Celestron CGX 1100 Specifications
| Optical Tube Info: | |
|---|---|
| Optical Design | Schmidt-Cassegrain |
| Aperture (mm) | 279.4 mm (11 in) |
| Focal Length | 2800 mm (110 in) |
| Focal Ratio | 10 |
| Focal Length of Eyepiece 1 (mm) | 40 mm (1.57 in) |
| Magnification of Eyepiece 1 | 70x |
| Finderscope | 9x50 |
| Star Diagonal | 1.25 |
| Optical Tube | Aluminium |
| Highest Useful Magnification | 660x |
| Lowest Useful Magnification | 40x |
| Limiting Stellar Magnitude | 14.7 |
| Resolution (Rayleigh) | 0.5 arc seconds |
| Resolution (Dawes) | 0.42 arc seconds |
| Light Gathering Power (Compared to human eye) | 1593x |
| Secondary Mirror Obstruction | 3.75 in (95 mm) |
| Secondary Mirror Obstruction by Diameter | 34% |
| Secondary Mirror Obstruction by Diameter | 12% |
| Optical Coatings | StarBright XLT |
| Optical Tube Length | 24 in (610 mm) |
| Optical Tube Weight | 27.5lbs (12 kg) |
| Dovetail Compatibility | CGE Mount |
| Mount Info: | |
| Mount | German Equatorial Mount |
| Instrument load capacity | 55lbs |
| Tripod height adjustment range | 47.25” to 77.5” including EQ head |
| Tripod leg diameter | 2" |
| Latitude adjustment range | 3º-65º |
| Tripod Weight | 19.2lbs |
| EQ Head Weight | 44lbs |
| Max Slew Speed | 5º/second (4º/second is default) |
| Tracking Rates | Sidereal, Solar and Lunar |
| Number of Auxiliary ports (for hand control and accessories) | 2 |
| Autoguide Port | Yes |
| USB Port | Yes |
| Software | Telescope control PC software |
| Included Items | |
| CGX Equatorial Head | |
| CGX Tripod | |
| Accessory Tray | |
| 3 x11 lbs counterweights | |
| NexStar+ Hand Control | |
| DC Power Cable (plugs into cigarette lighter socket) |
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