Celestron C11-SGT User Manual Page 44

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42 CPC GPS Specifications
CPC GPS Item # 1073-XLT 11074-XLT 11075-XLT
Model Name CPC 800 CPC 925 CPC 1100
Optical Design Schmidt-Cassegrain Schmidt-Cassegrain Schmidt-Cassegrain
Aperture 8” (203 mm) 9.25” (235 mm) 11” (279 mm)
Focal Length / Focal Ratio 2032 mm / f/10 2350 mm / f/10 2800 mm / f/10
Finderscope 9x50 9x50 9x50
Mount Dual Fork Arm Dual Fork Arm Dual Fork Arm
Optical Tube Aluminum Aluminum Aluminum
Eyepiece 40 mm Plössl (51x) 40 mm Plössl (59x) 40 mm Plössl (70x)
Star Diagonal 1.25” 1.25” 1.25”
Tripod / Accessory Tray Heavy Duty Steel Adjustable with Leg Brace and Eyepiece Holder Heavy Duty Steel Adjustable with Leg Brace and Eyepiece Holder Heavy Duty Steel Adjustable with Leg Brace and Eyepiece Holder
Power Supply Car Battery Adapter Car Battery Adapter Car Battery Adapter
Telescope Control System NexStar Computer Control System NexStar Computer Control System NexStar Computer Control System
CD-ROM NexRemote control software w/RS232 cable NexRemote control software w/RS232 cable NexRemote control software w/RS232 cable
Computerized Hand Control Double line 16 character, Liquid Crystal Display; 19 LED backlit buttons Double line 16 character, Liquid Crystal Display; 19 LED backlit buttons Double line 16 character, Liquid Crystal Display; 19 LED backlit buttons
Hand Control Ports RS-232 communication port on hand control RS-232 communication port on hand control RS-232 communication port on hand control
Drive Base Ports Aux Port, Autoguide Ports Aux Port, Autoguide Ports Aux Port, Autoguide Ports
Database 40,000 Object Database 40,000 Object Database 40,000 Object Database
GPS Internal 16 channel Internal 16 channel Internal 16 channel
Motor Type DC Servo motors with encoders, both axes DC Servo motors with encoders, both axes DC Servo motors with encoders, both axes
Resolution .1406 arcsecond .1406 arcsecond .1406 arcsecond
Slew Speeds Nine slew speeds, 3º/sec MAX Nine slew speeds, 3º/sec MAX Nine slew speeds, 3º/sec MAX
Software Precision 24bit, 0.08 arcsec calculations 24bit, 0.08 arcsec calculations 24bit, 0.08 arcsec calculations
Tracking Rates Sidereal, Solar and Lunar Sidereal, Solar and Lunar Sidereal, Solar and Lunar
Tracking Modes Altazimuth, EQ North and EQ South Altazimuth, EQ North and EQ South Altazimuth, EQ North and EQ South
Alignment Procedures SkyAlign, Auto Two Star Align, One-Star Align, EQ Align, Solar System Align SkyAlign, Auto Two Star Align, One-Star Align, EQ Align, Solar System Align SkyAlign, Auto Two Star Align, One-Star Align, EQ Align, Solar System Align
Fork Arm Dual fork arm, cast aluminum w/ detachable HC cradle Dual fork arm, cast aluminum w/ detachable HC cradle Dual fork arm, cast aluminum w/ detachable HC cradle
Gear 5.625” 180 tooth hard anodized aluminum gear mated w/ brass worm 5.625” 180 tooth hard anodized aluminum gear mated w/ brass worm 5.625” 180 tooth hard anodized aluminum gear mated w/ brass worm
Bearings 9.8” azimuth bearing 9.8” azimuth bearing 9.8” azimuth bearing
Periodic Error Correction Permanently Programmable Permanently Programmable Permanently Programmable
Useful Magnification Highest/Lowest 480x / 29x 555x / 34x 660x / 40x
Limiting Stellar Magnitude 14 14.4 14.7
Resolution: Rayleigh .68 arc seconds .59 arc seconds .50 arc seconds
Dawes Limit .57 arc seconds .49 arc seconds .42 arc seconds
Light Gathering Power 843x unaided eye 1127x unaided eye 1593x unaided eye
Field of View: standard eyepiece .8º .7º .6º
Linear FOV (
@1000 yds) 42 ft. 38 ft. 32 ft.
Optical Coatings StarBright XLT
®
Coatings StarBright XLT Coatings StarBright XLT Coatings
Secondary Mirror Obstruction 2.5” 3.35” 3.75”
Diameter, Area 31%, 10% 36%, 13% 34%, 12%
Optical Tube Length 17 inches 22 inches 23 inches
Telescope Weight /Tripod Weight 42 lbs / 27 lbs 58 lbs / 27 lbs 65 lbs / 27 lbs
Specifications are subject to change without notice or obligation.
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