Celestron CPC 1100 GPS (XLT)

Celestron CPC 1100 GPS (XLT)


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Model:  cpc1100gps
Brand:  Celestron


Celestron 2 Year Warranty

Celestron products include a two year warranty except binoculars and spotting scopes which have limited lifetime warranties.

The largest aperture of the CPC GPS line, The CPC 1100 GPS Schmidt-Cassegrain telescope has the most light gathering power and a limiting magnitude of nearly 15. 

Features Celestron's premium StarBright XLT coatings.

With sophisticated software features like Hibernate function, the CPC can maintain its star alignment night after night without needing to be re-aligned, making it an ideal instrument for a permanent observatory facility.


  • 11" diffraction limited Schmidt-Cassegrain telescope
  • Celestron's premium StarBright XLT coatings
  • Fully computerized dual fork arm altazimuth mount
  • 8x50 finderscope to help accurately find objects
  • Newly designed heavy-duty tripod makes attaching the telescope so easy you can do it in the dark; also features sturdy 2" steel legs and accessory tray
  • Ergonomic design - Comfortably lift and move the telescope from location to location
  • Star diagonal provides more comfortable viewing position when observing objects that are high in the sky
  • Convenient remote hand control holder - Allows you to view information hands-free while using the scope


  • Proven NexStar computer control technology
  • 40,000 object database with 400 user-definable objects and expanded information on over 200 objects
  • Custom database lists of all the most famous deep-sky objects by name and catalogue number; the most beautiful double, triple and quadruple stars; variable star; solar systems; objects and asterisms
  • Re-designed drive base and drive mechanics - Quiet operation; large drive gears, quick release clutch
  • SkyAlign allows you to align on any three bright celestial objects, making for a fast and easy alignment process
  • Flash upgradeable hand control software and motor control units for downloading product updates over the Internet
  • Permanent PEC
  • Auxiliary port for additional accessories such as Autoguider, GPS accessory
  • NexRemote telescope control software and rs-232 cable included for advanced control of your telescope via computer





Product Specifications

Optical DesignSchmidt-Cassegrain
Aperture (mm)280 mm (11 in)
Focal Length2800 mm (110 in)
Focal Ratio10
Focal Length of Eyepiece 1 (mm)40 mm (1.57 in)
Magnification of Eyepiece 170 x
Finderscope8x50 Finderscope with quick release bracket
Star Diagonal1.25
Mount TypeDual Fork Arm
Accessory TrayLeg Brace / Eyepiece holder
TripodHeavy Duty Steel Adjustable
Power RequirementsCar battery adapter
Highest Useful Magnification661 x
Lowest Useful Magnification40 x
Limiting Stellar Magnitude14.7
Resolution (Rayleigh)0.5 arc seconds
Resolution (Dawes)0.41 arc seconds
Light Gathering Power (Compared to human eye)1600 x
Apparent Field of View0.6
Linear Field of View (@1000 yds)32 ft (9.75 m)
Secondary Mirror Obstruction3.75 in (95 mm)
Secondary Mirror Obstruction by Diameter34%
Secondary Mirror Obstruction by Area12%
Optical CoatingsStarbright XLT Coating
Total Telescope Kit Weight65 lbs (29 kg)
Tracking RatesSidereal, Solar and Lunar
Tracking ModesAltazimuth, EQ North and EQ South
Alignment ProceduresSkyAlign, Auto Two-Star Alignment, Two-star Align, SolarSystem Align, EQ North Align, EQ South Align, One-Star Align
Periodic Error CorrectionPermanently Programmable
Communication PortsRS-232 communication port on hand control
Computer Hand ControlDouble line, 16 character Liquid Crystal Display; 19 fiber optic backlit LED buttons
Database40,000+ objects, 100 user defined programmable objects. Enhanced information on over 200 objects
GPSInternal 16 channel
Warranty2-year Telescope Warranty

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December 2017 / View Older
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