Celestron 12059 - Rowe-Ackermann Schmidt Astrograph Telescope

Celestron 11" RASA CGX - Rowe-Ackermann Schmidt Astrograph Telescope

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Brand: Celestron

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The Celestron RASA CGX is a 11-inch Rowe-Ackermann Schmidt astrograph with rare-earth glass for images free of false color, coma, and field curvature. It features fast, wide-field f/2.2 system with 2 advantages, better apparent tracking and shorter exposures. The 43.3mm... (Full Description)

Additional Product Details

The Celestron RASA CGX is a 11-inch Rowe-Ackermann Schmidt astrograph with rare-earth glass for images free of false color, coma, and field curvature. It features fast, wide-field f/2.2 system with 2 advantages, better apparent tracking and shorter exposures. The 43.3mm optimized image circle maintains pinpoint stars to the far corners of even the largest astroimaging sensors, while the usable field extends even further to 52 mm for larger format sensors.

The Celestron RASA CGX has custom engineered linear brass focuser bearing that reduces image shift, while dual-speed 10:1 FeatherTouch Micro Focus Knob provides the most precise focusing. The quiet, high-output 12V MagLev fan reduces cooldown time and blocks dust.

RASA CGX Features:

  • 11.0 Inch Aperture (279 mm)
  • Focal Ratio F/2.2 Optical Design
  • 4-Element Rare-Earth Glass
    - False Color & Aberrations Free Images
  • 1588x Light Gathering Power
  • StarBright XLT Optical Coating
  • 11-inch Optical Tube Assembly
  • CGX Tripod


RASA CGX Specifications:

  • Optical Design
  • Rowe-Ackermann Schmidt
  • Aperture (mm)
  • 279 mm (11 in)
  • Focal Length
  • 620 mm
  • Focal Ratio
  • 2.22
  • Backfocus from front lens assembly
  • 72.8 mm
  • Backfocus from included camera adapters
  • 55 mm
  • Central obstruction diameter
  • 114mm
  • Finderscope
  • Not Included
  • Light Gathering Power (Compared to human eye)
  • 1588x
  • Optical Coatings
  • StarBright XLT
  • Total Telescope Kit Weight
  • 143 lb
  • Included Items
  • Total Telescope Kit Weight
  • Resolution (Rayleigh)
  • 0.5 arc seconds
  • Resolution (Dawes)
  • 0.41 arc seconds
  • Optical Tube Length
  • 33in
  • Mount
  • German Equatorial
  • Instrument load capacity
  • 75 lb
  • Tripod height adjustment range
  • 35.75” to 52.75”
  • Tripod leg diameter
  • 2.75"
  • Latitude adjustment range
  • 3º-65º
  • Tripod Weight
  • 46.2 lb
  • EQ Head Weight w/o Counterweight Shaft
  • 47 lb
  • Total EQ Head Weight
  • 52.6 lb
  • Max Slew Speed
  • 4º/second (3º/second is default)
  • Tracking Rates
  • Sidereal, Solar and Lunar
  • Number of Auxiliary ports (for hand control and accessories)
  • 4
  • Autoguide port
  • Yes
  • USB Port
  • Yes
  • Software
  • PWI Telescope Control Software

Celestron RASA CGX Includes:
  • CGX Equatorial Head
  • CGX Tripod
  • Accessory Tray
  • 4 x 11 lbs Counterweight
  • NexStar+ Hand Control
  • DC Power Cable (plugs into cigarette lighter socket)

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