Celestron CGE PRO 925 (9.25") EdgeHD

Along with the newly designed optics, the EdgeHD also has re-designed mechanics guaranteed to help you get the maximum performance from your instrument

Features Include:
Mirror Locks – To hold the mirror in place and reduce image shift during imaging.
Tube Vents - Each vent has an integrated 60 micron micro-mesh filter allowing hot air to be released from behind the primary mirror. 
Fastar Versatility – All EdgeHD optical tubes are equipped with a removable secondary mirror for fast f/2 ccd imaging. Not only does imaging in the FASTAR configuration allow for exposure times that are 25 times faster than at f/10, but also yields a field of view five times wider. A perfect combination for imaging your favorite wide field objects in a fraction of the time. (FASTAR imaging requires a third party lens assembly in place of the secondary mirror).
Axiom Eyepiece - EdgeHD 9.25" optical tubes come with Celestron's top of the line Axiom eyepiece. With a 23mm focal length and 82° AFOV you get an incredible combination of power and wide field of view. Plus each Axiom eyepiece is optimized to deliver pinpoint images when used with a flat field telescope.

CGE PRO Mount
In addition to being fully computerized with a database of over 40,000 celestial objects, the CGE Pro German Equatorial mount has been completely redesigned to offer numerous design advantages:

• Increased Payload Capacity - With a maximum payload of 90lbs the CGE Pro mount is able to hold the 9.25" telescope more securely even when fully loaded with all your imaging gear.
• All-Star Polar Alignment - Choose any bright alignment star for a software assisted alignment of the mounts polar axis that will have you ready for imaging even if you can't see the North Star.
• No-Tool Polar Alignment - Larger hand knobs for both Altitude and Azimuth adjustments.
• Meridian Tracking - Extended tracking past the Meridian of up to 20 degrees of uninterrupted imaging through the best part of the sky.
• Faster Slew Speed - Improved gearing and motors provide faster slew speeds than ever before with a maximum slew rate of over 5°/per second.
• Accuracy - The hallmark of any telescope mount is its ability to find, center and track celestial objects with the highest degree of accuracy.
• Pointing - With just a standard hand control alignment, CGE Pro has the ability to center a star in your eyepiece or ccd chip to within 5 arc minutes. Using NexStar's advanced pointing features such as Calibration Stars, Sync and Precise GoTo, further improves the pointing accuracy to as low as 1 arc minute in the desired region of the sky.
• Tracking - With larger .75" pitch diameter worm, precision made cut-steel gears in gearboxes, and seven slot skewed armature motors the CGE Pro delivers typical tracking performance of +-9 arc seconds, which can be further reduced with the mounts permanent periodic error correction (PPEC).

Features:

• New aplanatic Schmidt telescope design produces aberration-free images across a wide field of view
• 9.25" EdgeHD Optics
• 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
• Celestron premium StarBright XLT coatings
• 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 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
• Proven NexStar computer control technology
• Heavy duty stainless steel tripod adjustable from 38 - 55"
• 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)