State of the art, premium optics and superior quality mount
The CGE Pro 925 HD combines Celestron's state of the art CGE Pro Computerized Equatorial mount with its new EdgeHD optical system. With over 9 inches of aperture and our premium StarBright XLT coatings, the CGE Pro 925 HD gives you over 1000 times the light gathering power than the unaided eye.
New Optical Design
The EdgeHD optical system takes all of the compact power popularized by the Schmidt Cassegrain Telescope (SCT) and combines it with an improved high definition optical system for wide field, astrograph quality images.
As a visual instrument EdgeHD optics deliver pinpoint images even with your widest field eyepiece. You can search for all of the Messier Catalog objects, and see hundreds of other equally interesting NGC, IC and Caldwell objects with amazing clarity. For astroimaging, the EdgeHD optics produce aberration-free images across your favorite CCD or DSLR camera. All EdgeHD optics are designed to produce an extremely flat focal plane precise enough to match the strict tolerances of the largest commercial ccd detectors, allowing all stars to be in tight focus to the very edge of the chip.
Some companies boast that their telescopes give diffraction limited stars in the very center of the field of view. EdgeHD optics not only produce diffraction limited stars on axis, but maintain diffraction limited stars across the entire field of view of many of the most popular astrophotography cameras. Even at the very edge of a full frame camera chip, the EdgeHD 9.25 delivers diffraction limited stars of only 1 arc seconds.
The EdgeHD 9.25" optics produces a focal plane almost 9 times flatter than the standard equivalent SCT telescope with diffraction limited stars across the entire SBIG STL11000 field of view!
CGE PRO 925 HD - General Features:
9.25" EdgeHD Optics
Celestron premium StarBright XLT coatings
CGE PRO computerized Equatorial mount
9x50 finderscope with quick release bracket to help accurately find objects
2" Star diagonal provides more comfortable viewing position when observing objects that are high in the sky
Heavy duty stainless steel tripod adjustable from 38 - 55"
CGE PRO 925 HD - HD Features
New aplanatic Schmidt telescope design produces aberration-free images across a wide field of view
Focus adjustment is supported by two pre-loaded ball bearings to minimize the "mirror flop" typical of bushing focus mechanisms
Flexible tension mirror locks hold the mirror in place and reduces image shift
Cooling vents located on the rear cell allows warm air to be released from behind the primary mirror.
Fastar ready optics for ultra wide f/2 imaging
CGE PRO 925 HD - Computerized Mount Features:
Proven NexStar computer control technology
40,000 object database with over 100 user-definable objects and expanded information on over 200 objects
New All-Star Polar Alignment routine for both Northern and Southern Hemispheres.
Software Features include: Database Filter Limits, Hibernate, five alignment methods and user-defined slew limits.
Flash upgradeable hand control software and motor control units for downloading product updates over the Internet
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 star; solar systems; objects and asterisms
Double line, 16-character Liquid Crystal Display Hand Control with backlit LED buttons for easy operation of goto features
12VDC Servo Motors with integrated optical encoders
Permanent programmable periodic error correction (PEC) - corrects for periodic tracking errors inherent to all worm drives
Drive Motors - High quality motors with seven slot skewed armature to minimize magnetic cogging for quiet operation and long life. Precision made cut-steel gears in gearbox for Improve tracking precision.
Bearing and Shaft - Main shafts are made from 1.57" diameter steel tubing with .40" wall thickness with two preloaded 2.68" O.D. tapered roller bearings on each axes
Precision worm drive system - .75" pitch dia. precision made steel worm preloaded with two .87" OD ball bearings to minimize run-out (a source of periodic error). 255 tooth 6" pitch dia. precision made worm wheel with enveloping brass teeth
Spring loaded DEC worm to minimize backlash and makes guiding easy.
4 point RA and DEC clutch system for no-slip pointing precision
Autoguide port, PC port and auxiliary ports located on the electronic pier for long exposure astrophotography
Latitude range: 10° to 65° northern or southern hemispheres
RS-232 communication port on hand control to control the telescope via a personal computer
Includes NexRemote telescope control software, for advanced control of your telescope via computer
GPS-compatible with optional CN16 GPS Accessory (93967)
Optical Design : Edge HD Optics
Aperture : 235 mm (9.25 in)
Focal Length : 2350 mm (92.52 in)
Focal Ratio : 10
Finderscope : 9x50
Mount : CGE Pro Computerized Equatorial
Optical Tube : Aluminum
Eyepiece 1 : 23 mm (0.91 in)
Magnification 1 : 102 x
Angular Field of View : 0.8 °
Star Diagonal : 2"
Tripod : Adjustable, 2.75" Stainless Steel legs
CD ROM : NexRemote control software with RS232 cable
Power Supply : Car battery adapter
Highest Useful Magnification : 555 x
Lowest Useful Magnification : 34 x
Limiting Stellar Magnitude : 14.4
Resolution (Rayleigh) : 0.59 arcsec
Resolution (Dawes) : 0.49 arcsec
Light Gathering Power : 1127 x
Linear Field of View (@1000 yds) : 28 ft (8.53 m)
Optical Coatings : Starbright XLT Coating
Secondary Mirror Obstruction : 3.35 in (85.09 mm)
Secondary Mirror Obstruction by Area : 13.1 %
Secondary Mirror Obstruction by Diameter : 36.2 %
Optical Tube Length : 22 in (558.8 mm)
Optical Tube Weight : 21 lb (9.53 kg)
Tripod and Pier Weight : 52 lb (23.59 kg)
EQ Mount Weight : 75 lb (34.02 kg)
Counterweight Bar : 5 lb (2.27 kg)
Counterweights : 1 x 22 lb
Slew Speeds : Nine slew speeds 5.5 deg/s, 2 deg/s, 0.5 deg/s, 64x, 16x, 8x, 4x, 1x, 0.5x
Tracking Rates : Sidereal, Solar and Lunar
Tracking Modes : EQ North and EQ South
Alignment Procedures : 2-Star Align, Solar System Align, Last Alignment, Quick Align, 1-Star Align
Database : 40,000+ objects, 100 user defined programmable objects. Enhanced information on over 200 objects
Power Requirements : 12 VDC 2.5A
Internal Clock : Yes
GPS : Optional CN-16 GPS Accessory
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