Celestron

Celestron CGEM 925 HD, 9.25" EdgeHD Schmidt-Cassegrain Telescope - Starbright XLT Coating

SKU: CNCGEM925HD MFR: 11081
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$3,499.00 Regular Price
- $350.00 Instant Rebate
Your Final Price $3,149.00
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About the Celestron CGEM 925 HD

Get this Celestron CGEM 925 HD normally $3499.00 and on sale for $3149.00 total saving of $350.00. Bonus: No sales tax either, unless you live in New York or New Jersey.

Celestron CGEM 925 HD combines Celestron's newly designed CGEM Computerized Equatorial mount with its new EdgeHD optical system. With over 9"es 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. Designed to give diffraction limited performace, the CGEM 925 HD has established itself as a premier astro-imaging telescope.
New Optical DesignThe EdgeHD optical system combines all the compact power popularized by the SCT and combines it with an improved high definition optical system for wide field, astrograph quality images. As a visual instrument, EdgeHD optics delivers pin point 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 produces 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 commercialCCD detectors, allowing all stars to be in tight focus to the very edge of the chip.
Diffraction LimitedSome 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 maintains 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 ofonly 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 Nikon D3 or Canon 5D field of view!

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 Tohold the mirror in place and reduces 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/2CCD 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. Perfect combination for imaging your favorite wide field objects in a fraction of the time. (FASTAR imaging require 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 23 mm focal length and 82 AFOV, you get incredible combination of power and wide field of view. Plus each Axiom eyepiece is optimized to deliver pin point images when used with a flat field telescope.
Learn more about the benefits and features of this new optical system by going to the EdgeHD web page.
CGEM Mount
The CGEM mount has a fresh, attractive, bold appearance and is capable of carrying Celestrons higher-end SCT optical tubes (up to 11") securely and vibration free which is ideal for both imaging a

For two years, Celestron will cover repairs or replacement of this product in cases of defective components or damage from normal wear and tear.

Celestron CGEM 925 HD Includes

  • 23mm 2" Axiom LX Eyepiece
  • 9x50mm Finderscope
  • 2" 90-Degree Mirror Diagonal -CGEM Computerized Equatorial Mount
  • 2.0" Stainless Steel Tripod with Accessory Tray
  • Car Battery Adapter
  • 11 lb Counterweight
  • 17 lb Counterweight
  • NeNexRemote Telescope Control SoftwarexRemote Control Software
  • 2-Year Warranty

Celestron CGEM 925 HD Features

  • 9.25" EdgeHD Optics
  • CGEM Computerized Equatorial Mount
  • Celestron's premium StarBright XLT coatings
  • 9x50 finderscope to help accurately find objects
  • Ultra sturdy 2" steel tripod with Accessory Tray
  • Star diagonal provides more comfortable viewing position when observing objects that are high in the sky
  • HD FeaturesNew aplanatic Schmidt telescope design produces aberration-free images across a wide field of view
  • Mirror tension locks hold the primary mirror in place and reduces image shift
  • Cooling vents allow hot air to be released from behind the primary mirror
  • Fastar compatible for fast f/2 imaging
  • Computerized Mount FeaturesProven NexStar computer control technology
  • 40,000 object database with over 100 user-definable objects and expanded information on over 200 objects
  • Redesigned electronics deliver constant regulated power to the motors making them capable of driving the telescope even when not perfectly balanced.
  • New "All-star" Polar alignment uses any bright star for a quick and accurate Polar alignment
  • Software Features include
  • Flash upgradeable hand control software and motor control units for downloading product updates over the Internet
  • Meridian preference for slewing - allows you to approach an object from the side of the Meridian that maximizes tracking (and imaging) time.
  • Solar System alignment method - allows you to align your telescope and view the moon and planets during the day
  • Custom Rate 9 feature allows you set maximum slew rate
  • Tandem mode allows you to star align the mount even when positioned for tandem scope use.
  • Custom database lists of all the most famous deep-sky objects by name and catalog number
  • Permanent Programmable Periodic Error Correction (PEC) - corrects for periodic tracking errors inherent to all worm drives
  • Drive Motors - Low Cog DC Servo motor with integrated optical encoders offer smooth, quiet operation and long life. The motor armatures are skewed to minimize cogging which is required for low speed tracking
  • Internal Cable wiring for trouble-free setup and transportation
  • Designated six-pin RJ-12 modular jack, ST-4 compatible guide port
  • Autoguide port and Auxiliary ports located on the electronic plate for long exposure astrophotography
  • Double-line, 16-character Liquid Crystal Display Hand Control with backlit LED buttons for easy operation of goto features
  • RS-232 communication port on hand 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 SkySync GPS Accessory
  • Precision machined 40 mm diameter steel Polar shafts supported by multiple tapered roller bearings and ball bearings.
  • Secure power plug ensures that the mount's power source is not accidentally disconnected

Celestron CGEM 925 HD Specifications

Optical Design EdgeHD
Aperture (mm) 235 mm (9.25 in)
Focal Length 2350 mm (93 in)
Focal Ratio 10
Focal Length of Eyepiece 1 (mm) 23 mm (0.91 in)
Magnification of Eyepiece 1 102 x
Finderscope 9x50
Star Diagonal 2"
Mount Type CGEM Computerized Equatorial
Tripod Adjustable, Stainless Steel
Power Requirements Car battery adapter
Highest Useful Magnification 555 x
Lowest Useful Magnification 34 x
Limiting Stellar Magnitude 14.4
Resolution (Rayleigh) 0.59 arc seconds
Resolution (Dawes) 0.49 arc seconds
Light Gathering Power 1127 x
Apparent Field of View 0.8 Degree
Secondary Mirror Obstruction 3.35 in (85 mm)
Secondary Mirror Obstruction by Diameter 36%
Secondary Mirror Obstruction by Area 13%
Optical Coatings Starbright XLT Coatings
Optical Tube Length 22 in (559 mm)
Total Telescope Kit Weight 113 lbs (51 kg)
Weight of Counterweights 1 x 11 lbs, 1 x 17 lbs
Slew Speeds Nine slew speeds
Tracking Rates Sidereal, Solar and Lunar
Tracking Modes EQ North and EQ South
Alignment Procedures 2-Star Align, Quick Align, 1-Star Align, Last Alignment, Solar System Align
Computer Hand Control 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
GPS Optional SkySync GPS Accessory
Warranty 2-year Telescope Warranty
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