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Celestron - CPC 800 GPS XLT 8" Schmidt-Cassegrain Computerized Telescope - 11073-XLT


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Regular Price: $1,999.00

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Manufactured by: Celestron


Celestron • CPC 800 GPS XLT 8" Schmidt-Cassegrain Computerized Telescope • 11073-XLT

Featuring  Celestron's  StarBright XLT coatings in a Schmidt based design, the Celestron CPC 800 GPS XLT Schmidt-Cassegrain Telescope is a telescope for advanced visual astronomers that want to take it to the next level.    Most standard aluminum coatings have a reflectivity of approximately 85%, but Celestron has increased it to 95% with the StarBright XLT coatings -  major improvement!  Mounted on a dual fork mount, the user-friendly design of this telescope makes it very portable to mount on the heavy duty tripod. A 99% reflective star diagonal is included.

The Celestron CPC 800 GPS XLT Schmidt-Cassegrain has the built in NexStar system, featuring a 40,000 objects database including the Messier, NGC, IC and many other deep sky objects as well as planets. The motor drives in the mount are also equipped with features designed to corrected errors in the worm gears to help accurately track and slew to stars. The periodic error correction (PEC) compensates for the irregularity of the worm gear shapes by first recording corrections over a period of 8 minutes and then playing back the errors to reduce the size of guiding errors. It is recommended that the user use PEC software in conjunction for even better performance.



  • SkyAlign Alignment Technology - Fast, easy alignment. Simply choose three bright stars. The telescope does the rest.
  • Available with optional Starbright XLT High Performance Optical System - Celestron's finest optical coatings provide sharp, bright clear views.
  • Convenient remote hand control holder - Allows you to view information hands-free while using the scope
  • 8", 9.25", and 11" models.
  • Re-designed drive base and drive mechanics - Quiet operation; large drive gears, quick release clutch; Auxiliary ports for AutoGuider, PC; easy connections to tripod.NexRemote- compatible.
  • Ergonomic design - Comfortably lift and move the telescope from location to location.
  • 40,000+ object database.
  • Permanent PEC compensation
  • Newly designed heavy-duty tripod.














Product Series

Celestron's new CPC Series with revolutionary SkyAlign Alignment Technology re-defines everything that amateur astronomers are looking for — quick and simple alignment, GPS, unsurpassed optical quality, ease of set-up and use, ergonomics, enhanced computerization, and most important, affordability.

Remote-controlled imaging telescope will play a key role in NASA’s SERVIR mission to further environmental research. 

International Space Station (January 18, 2013) – The astronauts aboard the International Space Station (ISS) just got that much closer to Earth with their latest crew member: a Celestron CPC 925. After arriving at the ISS in July 2012 onboard the Japanese HTV-3, the telescope—the latest component of ISERV (ISS SERVIR Environmental Research and Visualization System)—officially joined Expedition 34 and NASA’s SERVIR mission on Wednesday, January 16.

Canadian astronaut Colonel Chris Hadfield enthusiastically announced the installation of ISERV on his Twitter account: “Taking the telescope out of the box—like weightless Christmas!” Accompanying the tweets was a photo of the telescope floating next to Col. Hadfield’s beaming visage.

Celestron's 9.25” diffraction limited Schmidt-Cassegrain telescope is positioned within the Destiny module’s Earth-facing window. While remotely controlled from the planet’s surface, ISERV will monitor and assess environmental disasters, climate change, rainforest destruction, and air quality in various locations around the globe. It will also aid in short-term weather prediction.

“Images captured from ISERV on the ISS could provide valuable information back here on Earth,” explained Dan Irwin, SERVIR program director at Marshall Space Flight Center. “We hope it will provide new data and information from space related to natural disasters, environmental crises, and the increased effects of climate variability on human populations."

“ISERV will help advance Earth science research. We are all very excited and proud to see Celestron’s telescope assisting NASA’s quest for knowledge,” explained Corey Lee, Senior Vice President of Product Development at Celestron.

To view the latest images taken by ISERV, follow Celestron on Facebook and Twitter. Please visit Celestron.com andNASA.gov/mission_pages/servir/index.html for more information.

Additional Information

Name Celestron - CPC 800 GPS XLT 8" Schmidt-Cassegrain Computerized Telescope - 11073-XLT
Manufacturer Celestron
Model CEL-11073-XLT
Manufacturer Part No CEL-11073-XLT
Telescope Aperture 7.1" - 8"
Accessory Tray Leg Brace / Eyepiece holder
Alignment Procedures SkyAlign, Auto Two-Star Alignment, Two-star Align, SolarSystem Align, EQ North Align, EQ South Align, One-Star Align
Angular Field of View 0.8 deg;
Aperture 203.2 mm (8 in)
Bearings large azimuth bearing
Computer Hand Control Flash upgradeable, double line, 16 character Liquid Crystal Display; 19 fiber optic backlit LED buttons
Database 40,000+ objects, 100 user defined programmable objects. Enhanced information on over 200 objects
Eyepiece 1 40 mm (1.57 in)
Finderscope 8x50 Finderscope with quick release bracket
Focal Length 2032 mm (80 in)
Focal Ratio f/10
GPS Internal 16 channel
Mount Dual Fork Arm
Optical Tube Aluminum
Power Supply Car battery adapter
Resolution (Dawes) 0.57 arcsec
Resolution (Rayleigh) 0.69 arcsec
Secondary Mirror Obstruction 2.5 in (63.5 mm)
Secondary Mirror Obstruction by Area 9.8 %
Secondary Mirror Obstruction by Diameter 31.3 %
Star Diagonal 1.25
Tracking Modes Altazimuth, EQ North and EQ South
Tracking Rates Sidereal, Solar and Lunar
Tripod Heavy Duty Steel Adjustable