Celestron

Celestron CGEM DX 1100 HD 11" EdgeHD Schmidt-Cassegrain Telescope, 2800mm Focal Length

SKU: CNCGEMD1100H MFR: 11002
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About the Celestron CGEM DX 1100

The CGEMDX 1100 HD combines Celestron's newly designedCGEMDX Computerized Equatorial Mount with its new EdgeHD optical system. With an optical tube assembly weighing only 28 lbs, this telescope is still portable enough to be taken to dark skies and has 89% more light gathering power than an 8" telescope and 40% more than the 9.25".
CGEM DX Mount
The CGEM DX mount is the newest member of our fully computerized Equatorial mount series capable of carrying Celestrons high-end 11" and 14" optical tubes. The CGE PRO style, 2.75" leg tripod holds even our 14" optics securely and vibration free, which is ideal for both imaging and visual observing. Capable of holding 50 lbs of payload and slewing at 5 per second, you will be able to instantly point to any of the celestial objects in the database.
German Equatorial Mounts are recognized for their rock solid stability, simple balancing and easy accessibility for attaching accessories. With sophisticated software features like the Hibernate function, the CGEM DX can maintain its star alignment night after night without needing to be re-aligned, making it an excellent choice for a permanent observatory facility.
Ergonomic Design - CGEM DX was designed to be ergonomically friendly with large Altitude and Azimuth adjustment knobs for quick and easy polar alignment adjustment. The internal RA and DEC motor wiring provides a clean look and an easy and trouble free set up. Innovation - The CGEM DX series has a new innovative Polar alignment procedure called All-Star. All-Star allows users to choose any bright star, while the software calculates and assists with polar alignment. Another great feature of the CGEM DX sure to please astroimagers, is the Permanent Periodic Error Correction (PEC) which will allow users to train out the worm gears periodic errors, while the mount retains the PEC recordings.
Performance - For objects near the Meridian (imaginary line passing from North to South), the CGEM DX will track well past the Meridian for uninterrupted imaging through the most ideal part of the sky. The CGEM mount has a robust database with over 40,000 objects, 100 user defined programmable objects and enhanced information on over 200 objects.
Power Management - Redesigned electronics deliver constant regulated power to the motors making them capable of driving the telescope even when not perfectly balanced. This allows the CGEM DX to have the payload capacity of that of much larger mounts without sacrificing smooth tracking motion and pointing accuracy across the entire sky.
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..
Diffraction Limited
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

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 DX 1100 Includes

  • Celestron CGEM DX1100HD 11in EdgeHD Schmidt-Cassegrain Telescope
  • NexRemote Telescope Control Software
  • 23mm 1.25" Eyepiece
  • 9x50mm Finderscope
  • 2" 90-Degree Mirror Diagonal
  • CGEM DX Computerized Equatorial Mount
  • Adjustable Stainless Steel Tripod with Accessory Tray
  • Car Battery Adapter
  • 22 lb Counterweight
  • RS-232 Cable
  • 2-Year Warranty

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Celestron CGEM DX 1100 Features

  • 11" EdgeHD Optics
  • New CGEM DX Computerized Equatorial Mount
  • Celestron's premium StarBright XLT coatings
  • 9x50 finderscope to help accurately find objects
  • Ultra sturdy 2.75" 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 reduce 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
  • 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
  • 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 DX 1100 Specifications

Optical Design EdgeHD
Aperture (mm) 280 mm (11 in)
Focal Length 2800 mm (110 in)
Focal Ratio 10
Focal Length of Eyepiece 1 (mm) 23 mm (0.91 in)
Magnification of Eyepiece 1 122 x
Finderscope 9x50
Star Diagonal 2"
Mount Type New CGEM DX Computerized Equatorial
Tripod Adjustable, Stainless Steel
Power Requirements Car battery adapter
Highest Useful Magnification 661 x
Lowest Useful Magnification 40 x
Limiting Stellar Magnitude 14.7
Resolution (Rayleigh) 0.5 arc seconds
Resolution (Dawes) 0.41 arc seconds
Light Gathering Power (Compared to human 1600 x
Secondary Mirror Obstruction 3.75 in (95 mm)
Secondary Mirror Obstruction by Diameter 34%
Secondary Mirror Obstruction by Area 12%
Optical Tube Length 24 in (610 mm)
Total Telescope Kit Weight 145 lbs (66 kg)
Weight of Counterweights 1 x 22 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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