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Celestron CPC 1100 GPS (XLT) Schmidt-Cassegrain Telescope

SKU: CLS-11075-XLT

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  • 11" diffraction limited Schmidt-Cassegrain telescope

  • Celestron's premium StarBright XLT coatings

  • Fully computerized dual fork arm Altazimuth mount

  • 9x50 finderscope to help accurately find objects

  • Newly designed heavy-duty tripod with 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

In stock

Regular Price: $8,305.00

Special Price $6,999.00

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Computerised Mount Features:

  • Proven NexStar computer control technology
  • 40,000 object database with over 100 user-definable objects and expanded information on over 200 objects
  • 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
  • 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

Compatible with:


Optical Tube Info: 

Optical Design



279.4mm (11")

Focal Length

2800mm (110")

Focal Ratio


Focal Length of Eyepiece 1

40mm (1.57")

Magnification of Eyepiece 1



9x50 with quick release bracket

Star Diagonal


Optical Tube


Highest Useful Magnification


Lowest Useful Magnification


Limiting Stellar Magnitude


Resolution (Rayleigh)

0.5 arc seconds

Resolution (Dawes)

0.42 arc seconds

Secondary Mirror Obstruction

95mm (3.75")

Optical Coatings

StarBright XLT

Optical Tube Length

610mm (24")

Optical Tube Diameter

312.42mm (12.3")

Optical Tube Weight

29.5kg with mount



Mount Info: 

Mount Type

Computerised Altitude-Azimuth Dual Fork Arm

Height adjustment range (includes mount and tripod)

1397mm - 1778mm

Tripod Leg Diameter


Mount Head Weight

29.5kg with optical tube

Accessory Tray


Slew Speeds

9 slew speeds - max speed 5°/second

Tracking Rates

Sidereal, Solar, and Lunar

Tracking Modes

  • Altazimuth
  • EQ North
  • EQ South


Internal 16 channel

Dovetail Compatibility


Auxiliary ports

2 Aux ports (Hand Control can use either Aux ports)

Autoguide port


USB Port

Yes, on hand control

Power Requirements

12 VDC-1.5A (Tip positive)

Motor Drive

DC servo motors

Alignment Procedures

  • Sky Align
  • Auto 2-Star Align
  • 2-Star Align
  • Solar System Align
  • EQ North Align
  • EQ South Align

Periodic Error Correction


Computerized Hand Control

  • Double line, 18 character Liquid Crystal Display; 19 fiber optic backlit LED buttons, USB 2.0 port for PC connection

NexStar+ Database

  • 40,000+ objects
  • 100 user defined programmable objects 
  • Enhanced information on over 200 objects


  • Celestron's Starry Night Special Edition Software
  • SkyPortal App

Included Items

  • Mount/OTA
  • Tripod
  • Accessory Tray
  • 40mm Eyepiece
  • 2" Star Diagonal with 1.25" adapter
  • 9x50 finderscope with bracket
  • Instruction manual

About Celestron
Celestron was founded by Tom Johnson whose first telescope design was a simple 6-inch reflector, built for his young son. He gradually progressed to making larger scopes in more sophisticated designs. Today, the Celestron company is an industry leader in designing and manufacturing optical equipment including telescopes (computerised and non-computerised), binoculars, spotting scopes and its accompanying accessories. Celestron's legacy spans 50 years, and has grown to enjoy recognition from amateurs to serious astronomers globally. The company seeks to remain innovative by growing its product offerings, while supporting science education around the world.

Additional Information

Additional Information

Optical Design No
Mount Type Alt-azimuth mount
Aperture 280mm (11")
Focal Ratio f/10
Eyepiece 1 40mm
Eyepiece 2 No
Eyepiece 3 No
Finderscope Make 9x50 finderscope with bracket
Electronic Hand Control Yes
Motor Drive Yes
Go-To Functionality No
Focal Length 2800mm (110")
Tripod No
Tube Length 610mm (24")
Highest Magnification 660x
Warranty Information 2 Years Warranty
Additional Specifications of Product No
Shipping Dimensions No
Shipping Weight No


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