Celestron CGEM DX 1100 11 inch Schmidt-Cassegrain Telescope 2800mm Focal Length

Priced: $3,699.00
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Lining and Layers:

  • Double-line, 16-character Liquid Crystal Display Hand Control with backlit LED buttons for easy operation of goto features

Support and Cushioning:

  • Precision machined 40 mm diameter steel Polar shafts supported by multiple tapered roller bearings and ball bearings
  • Schmidt-Cassegrain mechanism that moves the primary mirror to adjust focus is supported by two pre-loaded ball bearings, minimizing the "mirror flop" typical of bushing focus mechanisms


  • Star diagonal provides more comfortable viewing position when observing objects that are high in the sky


  • Secure power plug ensures that the mount's power source is not accidentally disconnected
  • CGEM DX Computerized Equatorial Mount
  • Drive Motors - Low Cog DC Servo motor with integrated optical encoders offer smooth, quiet operation and long life. The motor armatures are skewed to minimize cogging which is required for low speed tracking
  • New "All-star" Polar alignment uses any bright star for a quick and accurate Polar alignment
  • Flash upgradeable hand control software and motor control units for downloading product updates over the Internet
  • GPS compatible with optional SkySync GPS Accessory
  • Celestron's premium StarBright XLT coatings
  • Permanent Programmable Periodic Error Correction (PEC) - corrects for periodic tracking errors inherent to all worm drives
  • Internal Cable wiring for trouble-free setup and transportation
  • 9x50 finderscope to help accurately find objects
  • Autoguide port and Auxiliary ports located on the electronic plate for long exposure astrophotography
  • Custom database lists of all the most famous deep-sky objects by name and catalog number: the most beautiful double, triple and quadruple stars; variable stars; solar system objects and asterisms
  • RS-232 communication port on hand to control the telescope via a personal computer
  • 40,000 object database with over 100 user-definable objects and expanded information on over 200 objects
  • Ultra sturdy 2.75 inch steel tripod with Accessory Tray
  • Designated six-pin RJ-12 modular jack, ST-4 compatible guide port
  • Includes NexRemote telescope control software, for advanced control of your telescope via computer
  • Proven NexStar computer control technology
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Alignment Procedures:2-Star Align, Quick Align, 1-Star Align, Last Alignment, Solar System Align
Angular Field of View:0.71deg.
Aperture:280 mm (11.02 in)
CD ROM:NexRemote control software with RS232 cable
Computer Hand Control:Double line, 16 character Liquid Crystal Display; 19 fiber optic backlit LED buttons
Counterweights:1 x 22 lbs
Database:40,000+ objects, 100 user defined programmable objects. Enhanced information on over 200 objects
Eyepiece 1:70x
Eyepiece 1 Field of View:0.71deg.
Focal Length:2800 mm (110.24 in)
Focal Ratio:10
GPS:Optional SkySync GPS Accessory
Gear:Steel worm gear and 90 mm pitch diameter brass worm wheel
Highest Useful Magnification:661x
Light Gathering Power:1600x
Limiting Stellar Magnitude:14.7
Lowest Useful Magnification:40 x
Motor Drive:Low cog DC Servo motors with encoders, both axes
Mount:New CGEM DX Computerized Equatorial
Optical Coatings:Starbright XLT Coatings
Optical Design:11-inch Schmidt-Cassegrain
Optical Tube:Aluminum
Optical Tube Length:4 in (609.6 mm)
Power Requirements:12 VDC 3.5 Amps
Power Supply:Car battery adapter
Resolution (Dawes):0.41 arcsec
Resolution (Rayleigh):0.5 arcsec
Secondary Mirror Obstruction:3.75 in (95.25 mm)
Secondary Mirror Obstruction by Area:11.60%
Secondary Mirror Obstruction by Diameter:34%
Slew Speeds:Nine slew speeds: 5 and deg./sec, 2 and deg./sec, 1 and deg./sec, 64x, 16x, 8x, 4x, 1x, .5x
Software Features include:Mount Calibration, Database Filter Limits, Hibernate, five Alignment Procedures
Software Precision:24 bit, 0.08 calculation
Star Diagonal:1.25"
Telescope Weight:145 lbs (65.77 kg)
Tracking Modes:EQ North and EQ South
Tracking Rates:Sidereal, Solar and Lunar
Tripod:Adjustable, Stainless Steel

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