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Celestron CPC 800 GPS XLT 8' f/10 Schmidt-Cassegrain GoTo Telescope


  • 1Description
  • Celestron CPC Telescope Product Overview

Combining power and ease of use, the Celestron CPC 800 GPS XLT 8' f/10 Schmidt-Cassegrain GoTo Telescope provides users with a complete rig for near- and deep-space observation and astrophotography. Optically, it features a Schmidt-Cassegrain optical system consisting of a corrector plate, a spherical primary mirror, and a secondary mirror. Complementing the optical system is the proprietary StarBright XLT optical coating system that improves light transmission and reflectivity across the entire visual spectrum. The combination of optical components and the StarBright XLT system produces bright and clear high-resolution images with true color rendition across the entire field of view with minimal distortion, aberrations, or off-axis comas.

The optical tube is outfitted with a standard 1.25' visual back to make it easier to find eyepieces, accessories, and imaging gear. For visual observations, a 1.25' star diagonal is included along with a 40mm Plssl eyepiece that yields 51x magnification. The motorized dual-tine fork mount has dual-axis servo motors that provide precision movements and an integrated 16-channel GPS receiver that sends information to the hand controller and requires limited input from the user. The heavy-duty stainless steel tripod helps reduce vibrations to ensure clear resolution during observation or imaging sessions.

The brain of the entire system is the NexStar+ computer controller. Equipped with a database of over 40,000 objects, including the planets, stars, nebulae, galaxies, and the complete Messier catalog, it can also be programmed with up to 99 custom user-defined objects and have filters added for custom object lists. Its intuitive menu-driven user interface provides the power to observe the heavens with nine slew speeds and three tracking rates, plus anti-backlash compensation and Permanent Periodic Error Correction (PPEC) for smoother movements in the motors and improved tracking over time. Features such as guided tours, extended information on 200 popular objects, and multiple alignment options make the NexStar+ controller easy to use and invaluable to new users and experienced stargazers.

Optical Tube

  • 8' (203.2mm) aperture
  • f/10 focal ratio
  • 2032mm effective focal length
  • Schmidt-Cassegrain optical design
  • Fine-annealed Pyrex glass reduces internal light loss to improve color, clarity, and sharpness
  • StarBright XLT optical coatings
  • Internal focusing mechanism
  • Resolution: 0.69 arcsec (Rayleigh); 0.57 arcsec (Dawes)
  • Secondary mirror obstruction: 2.5' (64mm); 31% by diameter; 9.77% by area

StarBright XLT System

  • Maximizes light transmission through optical path
  • Improves color rendition, contrast, sharpness, resolution, and brightness
  • Broadband system provides flat wavelength transmission across the entire visual spectrum
  • Multi-layer mirror coatings with layers of aluminum, SiO2 (quartz), and TiO2 (titanium dioxide)
  • Multi-layer anti-reflective corrector plate coatings with layers of MgF2 (magnesium fluoride) and HfO2 (hafnium dioxide); hafnium has a wider band-pass than the commonly used titanium
  • High-transmission water white glass corrector plate limits light loss due to internal absorption

NexStar Hand Controller

  • 40,000+ object database
  • 99 user-defined programmable celestial or terrestrial objects
  • Enhanced information on over 200 objects
  • Nine slew speeds: 3/sec, 2/sec, 0.5/sec, 64x, 16x, 8x, 4x, 1x, 0.5x
  • Three tracking rates: Sidereal, Solar, Lunar
  • Tracking modes: Alt-Azimuth, Equatorial North, Equatorial South
  • Multiple alignment procedures: Sky Align, Auto Two-Star, Two-Star, Solar System, EQ North, and EQ South
  • Tour Mode: System seeks out the best objects for the date and time and automatically slews to them
  • Constellation Tour: Takes the user on a tour of the best objects within a specific constellation
  • Identify Mode: Use to identify an unknown object in the field of view or to find other celestial objects that are close to where the user is viewing
  • Anti-backlash compensation: Trains out the intrinsic play between gears for more precise slewing and tracking
  • Permanent Periodic Error Correction (PPEC): System learns its internal tracking errors and improves over time for more precise tracking, requiring fewer corrections
  • Built-in instructions guide users through the alignment procedures
  • 2-line, 16-character LCD display with 19-button fiber-optic backlit LED keypad
  • RS-232 comm port
  • Flash updatable via Internet
  • Database Details:
  • Complete NGC catalog: 7840 objects
  • Complete Messier catalog: 110 objects
  • Complete IC catalog: 5386 objects
  • Complete Caldwell catalog: 109 objects
  • 2712 Abell galaxies
  • Solar system objects including the Sun, Moon, and planets
  • 20 of the most popular asterisms
  • 25 select CCD imaging objects
  • 29,500 select SAO stars, double stars, and variable stars

CPC Mount and Tripod

  • Mount:
  • Dual-tine fork; cast aluminum
  • Dual-axis DC servo motors with optical encoders to improve tracking and GoTo precision
  • Motor resolution: 0.1406 arcsec
  • R.A. and declination 5.625' aluminum worm gears; 180-tooth brass worm wheel
  • 9.8' azimuth bearing
  • Internal 16-channel GPS receiver sends date, time, location information to hand controller, requiring no input by user
  • Altitude and azimuth manual clutches allow the mount to be moved even with the power off
  • Ports: Autoguider, 2 x auxiliary, PC interface
  • Detachable hand controller holder
  • 9-15 VDC power requirement
  • Tripod:
  • Adjustable height
  • 2'-diameter stainless steel legs
  • Accessory tray for holding eyepieces, filters, etc.
  • Center support bracket locks legs in place to add stability and reduce vibrations
  • Weight: 19 pounds

Included Accessories


  • 1.25' barrel diameter
  • Accepts most 1.25' astronomical filters
  • 40mm focal length produces 51x power
  • 42' field of view at 1000 yards
  • 0.8 angle of view

  • 90 angle places head in comfortable viewing position
  • 1.25' snout and holder
  • Star configuration corrects view horizontally but not vertically

  • Low 9x magnification ensures a wide field of view for easier alignment
  • 50mm objective allows users to see dimmer objects to have more alignment star choices
  • Includes quick release bracket
    Power Adapter:

  • 9-15 VDC
  • Car/vehicle port plug

UPC: 050234107310 In the Box Celestron CPC 800 GPS XLT 8' f/10 Schmidt-Cassegrain GoTo Telescope

  • RS-232 Cable
  • 40mm Eyepiece
  • 90 Diagonal
  • 9x50 Finderscope
  • Dual Fork Arm Altazimuth Mount
  • Car Battery Adapter
  • NexRemote Telescope Control Software
  • Adjustable Stainless Steel Tripod w/ Accessory Tray
  • Limited 2-Year Warranty
  • Guides & ManualsTable of Contents

    • 1Description

    Optical Design: Schmidt Cassegrain
    Aperture: 203 mm / 8'
    Focal Length: 2032 mm
    Focal Ratio: f/10
    Focuser: Internal
    Eyepiece Barrel Diameter: 1.25'
    Finderscope: Yes
    Optical Tube Dimensions: Length: 17' / 43.2 cm
    Type: Adjustable
    GoTo Capability: Yes, NexStar
    Material of Tripod: Stainless Steel
    Batteries: None
    Adapter: 12 VDC
    GPS: Yes, 16 Channels
    Wi-Fi: None
    Weight: 42.0 lb / 19.0 kg (OTA)19.0 lb / 8.6 kg (Tripod)74.0 lb / 34.0 kg (Fully Assembled)
    Package Weight: 95.9 lb
    Box Dimensions (LxWxH): 45.0 x 36.0 x 19.0'



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      Filed under: High-End Telescope Auctions (USA)