Beschrijving
Celestron CGEM II 800 HD
Algemene kenmerken
- 8 inch EdgeHD Optics.
- CGEM II Computer gestuurde Equatoriale montering.
- Celestron’s premium StarBright XLT coatings.
- 9×50 zoeker, als hulpmiddel om de objecten te vinden.
- Extra stevige 2 inch dikke stalen driepoot maat accessoire plaat.
HD kenmerken
- Nieuw aplanatic Schmidt telescope ontwerp, welke een aberration-free beeld produceert over een heel breed gezichtsveld.
- Mirror tension locks houdt de primary spiegel op zijn plek en vermijd beeld verschuiving.
- Koeling ventilatoren welke de hete lucht achter de hoofdspiegel wegsluisen.
- Fastar compatible for fast f/2 imaging.
Optical Design: EdgeHD Optics
Opening: 203.2 mm (8 in)
Brandpunt: 2032 mm (80 in)
Focal Ratio: 10
Zoeker: 9×50
Montering: CGEM II Computerized Equatorial
Optical Tube: Aluminium
Optical Coatings: Starbright XLT Coating
Oculair 1: 40 mm (1.57 in)
Vergroting 1: 51 x
Star Diagonal: 1.25″
Driepooot: Adjustable, Stainless Steel
CD ROM: NexRemote control software with RS232 cable
Power Supply: Car battery adapter
Highest Useful Magnification: 480 x
Lowest Useful Magnification: 29 x
Limiting Stellar Magnitude: 14
Eyepiece 1 Field of View: 0.84 °
Light Gathering Power: 843 x
Secondary Mirror Obstruction: 2.7 in (68.58 mm)
Secondary Mirror Obstruction by Area: 11.4 %
Secondary Mirror Obstruction by Diameter: 33.8 %
Resolution (Rayleigh): 0.69 arcsec
Resolution (Dawes): 0.57 arcsec
Gear: Steel worm gear and 90mm pitch diameter brass worm wheel
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 Mode: EQ North and EQ South
Alignment Procedures: 2-Star Align, Quick Align, 1-Star Align, Last Alignment, Solar System Align
Software Precision: 24bit, 0.08 calculation
Database: 40,000+ objects, 100 user defined programmable objects. Enhanced information on over 200 objects
Power Requirements: 12 VDC 1.5 Amp
GPS: Optional CN16 Accessory
Counterweights: 1 x 17 lb
Optical Tube Length:17 in (431.8 mm)
Telescope Weight: 88 lb (39.92 kg)
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