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Celestron CGEM (GoTo)
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Computerised Equatorial Mount - Ergonomic Design - Ultra sturdy 2" steel tripod
To order this item outside Great Britain, please contact us.
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- CGEM Computerized Equatorial Mount
- Ultra sturdy 2" steel tripod with Accessory Tray
- Capable of carrying Celestron's 11" SCT optical tubes
- Proven NexStar computer control technology
- 40,000 object database with 100 user-definable objects and expanded information on over 200 objects
- Autoguide port, PC port and auxiliary ports located on the electronic pier for long exposure astrophotography
- For CGE compatible optical tubes (Losmandy type)
- Flash upgradeable hand control software
- GPS-compatible with optional GPS Accessory
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Outline
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The CGEM™ mount has a fresh, attractive, bold appearance and is
capable of carrying Celestron’s higher-end SCT optical tubes
(up to 11") securely and vibration free which is ideal for both
imaging and visual observing.
Ergonomic Design - CGEM 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 series has a new innovative Polar alignment
procedure called All-Star™ (patent pending). All-Star allows users
to choose any bright star, while the software calculates and assists
with polar alignment. Another great feature of the CGEM, 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 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, 400 user defined
programmable objects and enhanced information on over 200 objects.
Celestron's CGEM mount is the perfect fit between the Advanced Series
and CGE Series. Offering the portability of the Advanced Series and
the precision of the CGE.
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General Details
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- CGEM Computerized Equatorial Mount.
- For CGE compatible optical tubes (Losmandy type).
- Ultra sturdy 2" steel tripod with Accessory Tray.
- 40,000 object database with 400 user-definable objects and expanded information on over 200 objects.
- Proven NexStar computer control technology.
- Flash upgradeable hand control software and motor control units for downloading product updates over the Internet.
- New "All-star" Polar alignment uses any bright star for a quick and accurate Polar alignment.
- Software Features include: Mount Calibration, Database Filter Limits, Hibernate, five Alignment Procedures, and user-defined slew limits.
- 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.
- Permanent programmable periodic error correction (PEC) - corrects for periodic tracking errors inherent to all worm drives.
- 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.
- Steel worm gear and 90mm pitch diameter brass worm wheel.
- 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 fro low speed tracking.
- Internal Cable wiring for trouble-free setup and transportation.
- Designated six-pin RJ-12 modular jack, ST-4 compatible guide port.
- Double line, 16-character Liquid Crystal Display Hand Control with backlit LED buttons for easy operation of goto features.
- Autoguide port and auxiliary ports located on the electronic pier for long exposure astrophotography.
- 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.
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Mount Specification
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| MODEL |
Celestron CGEM (GoTo) |
| MOUNT |
Computerized Equatorial |
| TRIPOD |
Adjustable, Stainless Steel |
| CD ROM |
NexRemote control software with RS232 cable |
| POWER SUPPLY |
Car battery adapter |
| TRIPOD WEIGHT |
17 lb (7.71 kg) |
| MOUNT WEIGHT |
41 lb (18.6 kg) |
| COUNTERWEIGHTS |
1 x 17 lb |
| MOTOR DRIVE |
Low cog DC Servo motors with encoders, both axes |
| COMPUTER HAND CONTROL |
Double line, 16 character Liquid Crystal Display; 19 fiber optic backlit LED buttons |
| SLEW SPEEDS |
Nine slew speeds: 5 °/sec, 2 °/sec, 1 °/sec, 64x, 16x, 8x, 4x, 1x, .5x |
| TRACKING RATES |
Sidereal, Solar and Lunar |
| TRACKING MODES |
EQ North and EQ South |
| ALIGNMENT PROCEDURES |
AutoAlign, 2-Star Align, Quick Align, 1-Star Align, Last Alignment, Solar System Align |
| SOFTWARE PRECISION |
24bit, 0.08 calculation |
| DATABASE |
40,000+ objects, 400 user defined programmable objects. Enhanced information on over 200 objects |
| POWER REQUIREMENTS |
12 VDC 1.5 Amp |
| GPS |
Optional CN-16 GPS Accessory |
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Auto-Guiding
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You can use this mount as part of an auto-guiding system for astrophotography.
Other components that you will need are:
- A computer to control the telescope mount (e.g. Windows 2000/XP/Vista).
- Auto-guider control software such as:
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AstroArt is a good commercial solution, because it can control multiple
CCD cameras (e.g. for guiding and imaging) and it can be used for image stacking, processing,
photometry, etc.
- A computer interface and cables to connect the computer to the telescope mount:
- Shoestring GPUSB auto-guider USB Connectivity Kit, through the computer's USB port.
- Shoestring GPINT-PT auto-guider Parallel Port Connectivity Kit, through the computer's Parallel Port.
- CCD camera for auto-guiding :
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Notice
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We are constantly checking the accuracy of the technical data. We are prepared
to provide more detailed information on request. Technical data is subject to
change without notice.
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Promotional Offer
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Cash Back on Opticstar
Imaging Products
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updated: 4th August 2010
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Customers who purchase any Celestron telescopes or Celestron optical tubes
or Celestron mounts
listed on this page qualify for a 10% cash back on any Opticstar astronomy
cameras purchased at the same time or at a later date.
This offer is valid for 1 year commencing on the date that the Celestron
product is purchased from the Opticstar website or the Opticstar showroom.
Any additional purchases at a later date of Celestron products that qualify for
this offer will renew the cash back period to 1 full year.
Opticstar astronomy cameras that qualify for this offer include the following:
Once an Opticstar CCD or CMOS camera has been purchased within a year of
the qualifying Celestron purchase, the cash back can be claimed by contacting
Opticstar by email or over the phone quoting the receipt number(s). Please
allow up to 14 days to process the payment.
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Sample Images
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Opticstar DS-145M ICE
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posted: 13th March 2009
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The M20 nebula shot by John Haunton with the Opticstar DS-145M ICE.
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Sample Images
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Opticstar PL-130M CoolAir
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posted: 10th February 2009
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An impressive 9.4 megapixel mosaic of the Moon by Herwig Sulzbacher with
the Opticstar PL-130M.
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Feedback
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We want to hear your comments.
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| contact |
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Sample Images
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Opticstar DS-335C ICE
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updated: 20th August 2010
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The M8 nebula shot by John Haunton with the Opticstar DS-335C ICE.
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Product Reviews
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Apogee Alta
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updated: 14th February 2009
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"The quality exceeds anything I've been able to do in the past
with film or any other CCD camera."
Senior Editor Dennis di Cicco of Sky & Telescope
in a Test Report, June 2007 issue.
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Orion Optics
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updated: 4th August 2010
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The new AG Advanced Astrographs from the ever expanding range of telescopes from
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A&M 80mm f/6 Review
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"Best Of Breed"
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updated: 25th March 2009
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The A&M 80mm f/6 A&M/TMB has been
reviewed in Cloudy Nights
and it has been hailed as the "best of breed". The review concludes by saying "offers
stunning performance while standing out from the crowd, look no further".
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Willmann Bell
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Books for Astronomy
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posted: 29th August 2008
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Acclaimed books from Willmann Bell...
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