Celestron Advanced Series C8-N - Manual (Page 51)

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Appendix A – Technical Specifications
Advanced Series 31061 / 31062 11047 / 11048
C8-N C10-N
Specifications:
Optical Design 200mm (8.0") reflector 254mm (10") reflector
Focal Length 1000mm F/5 Parabola 1200mm F/4.7 Parabola
Finderscope 9x50 9x50
Mount CG-5 Equatorial CG-5 Equatorial
Eyepiece 20mm - 1.25" (50x) 20mm – 1.25" (60x)
Accessory tray Yes Yes
Tripod 2" Stainless Steel 2" Stainless Steel
Technical Specs
Highest Useful Magnification 480x 600x
Lowest Useful Magnification 29x 36x
Limiting Stellar Magnitude 14 14.5
Resolution: Rayleigh .69 arc seconds .54 arc seconds
Dawes Limit .58 arc seconds .46 arc seconds
Photographic Resolution 400 line/mm 425 line/mm
Light Gathering Power 843x unaided eye 1316x unaided eye
Field of View: standard eyepiece 1º .83º
Linear FOV (@1000 yds) 52.5 ft. 43.8 ft.
Optical Coatings - Standard Aluminum Coating Aluminum Coating
Secondary Mirror Obstruction 2.2" 2.3"
by Area 8% 5%
by Diameter 28% 23%
Optical tube length 37 inches 45 inches
Telescope Weight 78 lbs 93 lbs
Advanced GT
Additional Specifications
Hand Control Double line, 16 character Liquid Crystal Display; 19 fiber optic backlit LED buttons
Motor: Type DC Servo motors with encoders, both axes
Max Slew Speed 3º/second
Software Precision 24bit, 0.08 arc sec calculation
Hand Control Ports RS-232 communication port on hand control
Motor Ports Aux Port, Autoguide Ports
Tracking Rates Sidereal, Solar and Lunar
Tracking Modes EQ North & EQ South
Alignment Procedures AutoAlign, 3-Star Alignment, Quick Align, Last Align
Database
40,000+ objects, 400 user defined programmable objects.
Enhanced information on over 200 objects
Complete Revised NGC Catalog 7,840
Complete Messier Catalog 110
Complete IC Catalog 5,386
Complete Caldwell 109
Abell Galaxies 2,712
Solar System objects 9
Famous Asterisms 20
Selected CCD Imaging Objects 25
Selected SAO Stars 29,500
Total Object Database 45,492