Celestron CGEM Computerized Telescope Mount Review
Celestron CGEM Computerized Telescope Mount Review
Last Updated on Monday, 12 July 2010 10:18 Written by admin Thursday, 8 July 2010 01:07
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Celestron CGEM Review
Price: 1,399.00
Warranty: 2 Years
Motor Type: DC Servo motors with encoders
The Advanced (CG-5) Computerized equatorial mount is a heavy-duty equatorial mount with ultra-sturdy 2″ stainless steel legs and dual-axis motors that provide sidereal tracking and slewing at a 3-deg-per-second clip. It has an autoguider port for astrophotography and is upgradeable to GPS compatibility. The included NexStar computerized control system boasts many of the same functions and features as Celestron’s most advanced GoTo mounts, including a database of over 40,000 celestial objects. The mount is capable of holding 30 lbs. of payload. An optional polar-axis scope is available for precise alignment.
TELESCOPE MOUNT & GOTO SPECIFICATIONS
Weight Rating in Pounds (Lbs.): 40
Weight Rating in Kilograms (Kg.): 18.12
Total Weight of Mount in Pounds (Lbs.): 40
Total Weight of Mount in Kilograms (Kg.): 18.573
AstronomyForum.Net AstroImaging Score: [Value Dollars_PE Ratio] (Dollars to Peak to Peak PE Ratio)
AstronomyForum.Net AstroImaging Score: 127.1818182 (Dollars to Corrected PEC – Peak to Peak PE Ratio)
Astroimaging Capability: Lunar, planetary and long exposure
Tripod Material: Steel
Tripod Leg Diameter in Inches: 2
Bearing Material:[Bearing Material]
Motor Drive Compatibility: Clock drive included;close A motor drive automatically moves the telescope in right ascension at the same rate as the east-west drift of the stars so stars can be continuously tracked in the eyepiece without manual adjustment. Motor drives are usually equipped with a hand control that allows the telescope’s tracking speed to be slightly increased or decreased, which is particularly critical when taking long-exposure astro-images.
Computerized Compatibility: Go-To included
Alignment Procedure: AutoAlign, 2-Star Align, Quick Align, 1-Star Align, Last Alignment, Solar System Align
Number Of Objects In Database: 40,000
Power Requirement: 12-volt DC – 1.5A (tip positive)
Ports: RS-232, Aux, autoguider
Tracking Rates: Sidereal, Solar and Lunar
Motor Speeds: 5?/sec, 2?/sec, 1?/sec, 64x, 16x, 8x, 4x, 1x, .5x
Backlash Compensation: Yes
Latitude Range:
Counterweights Included: 41.0 lbs.
Height Range of Tripod in Inches:
GPS: Sold separately
Setting Circles: Electronic, via the hand controller
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“The surest sign that intelligent life exists elsewhere in the universe is that it has never tried to contact us.” – Calvin and Hobbes
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Once periodic error is corrected this is a good value for the astrophotographer