Celestron CGE1100, CGE925, CGE800, CGE1400 manual Technical Specifications

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Technical Specifications

CGE	11058	11059	11062	11063
	CGE 800	CGE 925	CGE 1100	CGE 1400

Specifications:

Optical Design	8" Schmidt-Cassegrain	9.25" Schmidt-Cassegrain	11" Schmidt-Cassegrain	14" Schmidt-Cassegrain
Focal Length	2032mm F/10	2350mm F/10	2800mm F/10	3910mm F/11
Finderscope	6x30	6x30	9x50	9x50
Mount	Computerized Equatorial Mount	Computerized Equatorial Mount	Computerized Equatorial Mount	Computerized Equatorial Mount
Optical Tube	Carbon Fiber	Aluminum	Carbon Fiber	Aluminum
Fastar Compatible	Yes	No	Yes	Yes
Eyepiece	25mm Ploss l- 1.25" (81x)	25mm Plossl - 1.25" (94x)	40mm Plossl - 1.25" (70x)	40mm 2" (98x)
Star Diagonal	1.25"	1.25"	1.25"	2" with 1.25" adapter
Tripod	Adjustable, Carbon Steel	Adjustable, Carbon Steel	Adjustable, Carbon Steel	Adjustable, Carbon Steel
Car Battery Adapter	Included	Included	Included	Included

Technical Specs

Highest Useful Magnication	480x	555x	660x	840x
Lowest Useful Magnification	29x	34x	40x	51x
Limiting Stellar Magnitude	14	14.4	14.7	15.3
Resolution: Rayleigh	.68 arc seconds	.59 arc seconds	.50 arc seconds	.39 arc seconds
Dawes Limit	.57 arc seconds	.49 arc seconds	.42 arc seconds	.33 arc seconds
Photographic Resolution	200 line/mm	200 line/mm	200 line/mm	165 line/mm
Light Gathering Power	843x unaided eye	1127x unaided eye	1593x unaided eye	2581x unaided eye
Field of View :standard eyepiece	.62º	.53º	.71º	.51º
Linear FOV (@1000 yds)	32 ft.	28 ft.	38 ft.	27 ft.
Optical Coatings	Starbright Coating	Starbright Coating	Starbright Coating	Starbright Coating
Secondary Mirror Obstruction	2.7"	3.35"	3.75"	4.5"
by Area	11%	13%	12%	10%
by Diameter	34%	36%	34%	32%
Optical tube length	17 inches	22 inches	24 inches	31 inches
Optical Tube Weight	12.5 lb	20 lbs	27.5 lbs	45 lbs
Tripod and Pier	41.5 lb	41.5 lb	41.5 lb	41.5 lb
EQ Mount Weight	42 lb	42 lb	42 lb	42 lb
Counter Weight bar	5 lb	5 lb	5 lb	5 lb
Counter Weight	1 x 11 lb	1 x 25 lb	1 x 25 lb	2 x 25 lb

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Contents CGE800 CGE925 CGE1100 CGE1400 User Defined Objects Telescope Maintenance Some of the many standard features of the CGE include 12v Output Jack CGE 1400 ShownPower Supply Setting up the TripodCounterweight DiagonalAttaching the Electronics Pier Attaching the Center Leg BraceInstalling the Counterweight Installing the Counterweight BarCounterweight Locking Screw Safety Screw Washer Attaching the Equatorial MountAttaching the Optical Tube to the Mount Attaching the Visual BackDovetail Slide Bar Dovetail Locking Knobs Mounting Platform Installing the Eyepiece Installing the Star DiagonalInstalling the Finderscope Moving the Telescope Manually Adjusting the MountBalancing The Mount in DEC Balancing The Mount in R.APowering the Telescope Attaching the Motor CablesTransporting the CGE Page CGE Hand Control Named Objects Named StarsDouble Stars Variable StarsStartup Procedure Alignment ProceduresAuto One-Star Align Auto Two-Star AlignQuick-Align Last AlignmentCGE Re-Alignment Selecting an Object Object CatalogSlewing to an Object Finding PlanetsConstellation Tour Tour ModeDirection Buttons Rate ButtonSetup Procedures Identify Precise GoTo Scope Setup FeaturesObserving Tip Helpful Hint Utility Features Helpful Hint Page CGE Ready Image Orientation Focusing Calculating MagnificationDetermining Field of View General Observing Hints Celestial Coordinate System Motion of the Stars Pointing at Polaris Latitude ScalesFinding the North Celestial Pole Declination Drift Method of Polar Alignment Lunar Observing Hints Observing the MoonObserving the Planets Planetary Observing HintsSolar Observing Hints Observing the SunObserving Deep Sky Objects Seeing ConditionsSeeing Short Exposure Prime Focus Photography Full Eyepiece ProjectionPlanet ISO Moon Mercury Venus Mars Jupiter Saturn Long Exposure Prime Focus PhotographyPeriodic Error Correction PEC Using Periodic Error Correction Metering Terrestrial PhotographyReducing Vibration CCD ImagingFastar Compatible Optical System Fastar F/2 Imaging With Reducer/Corrector Medium size to small galaxiesPlanetary or Lunar Auto Guiding Collimation Care and Cleaning of the OpticsCollimated telescope Should appear Symmetrical with Page At f/10 and 163 power with the CGE Page Technical Specifications Idle Current Appendix a Longitudes Latitudes Georgia Minnesota Rhode Island Canada Communication Protocol Appendix B RS-232 ConnectionReset The Position Of Azm Or Alt Additional RS232 CommandsAppendix C Maps of Time Zones Page Page Page Page Page Page Page Celestron TWO Year Warranty