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Celestron CGEM11 8 EDGE HD
[Cgem 11 8 edge]

Prijs: 3.475,00 EUR

 

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Product Details

GENERAL FEATURES

  • 8” EdgeHD optics
  • CGEM II computerized equatorial mount
  • Celestron’s premium StarBright XLT coatings provide maximum light transmission
  • A 9x50 finderscope, 1.25” mirror diagonal for more comfortable viewing, and 1.25” 40 mm Plössl eyepiece are all included

EdgeHD FEATURES

  • EdgeHD aplanatic, flat field SCT optics for pinpoint stars to the edge of the largest imaging sensors and widest eyepieces.  Lightweight and portable
  • Aluminum optical tube with tube vents featuring an integrated 95-micron mesh filter allows hot air to be released from behind the primary mirror. Mirror support knobs hold the mirror in place and reduce image shift during imaging
  • Versatile design accommodates 3 focal ratios: native f/10, f/7 with the addition of a focal reducer, or ultra-fast f/2 imaging with a removable secondary mirror and third-party accessories

COMPUTERIZED MOUNT FEATURES

  • 40 lbs payload capacity
  • Dual-fit Vixen/CG-5 and Losmandy/CGE dovetail saddle
  • 2" steel legs with height index marks for quick leveling
  • USB 2.0 port on hand control for direct links to a PC via ASCOM supported software.
  • 40,000 object database with over 100 user-definable objects and expanded information on over 200 objects
  • Internal cabling throughout for worry-free remote operation
  • Low cog DC Servo motor with integrated optical encoders offer smooth, quiet operation
  • Able to track past the meridian allowing seamless imaging
  • Permanent periodic error corrections allow users to train out the worm gears periodic errors once, while the mount retains the PEC recordings.
  • Software Features include: Mount Calibration, Database Filter Limits, Hibernate, five Alignment Procedures, and user-defined slew limits
  • Built-in polar alignment program to polar align on any star in the sky
  • Longer clutch levers to make tightening and loosening of clutches easier
  • Custom database lists of all the most famous deep-sky objects by name and catalog number
  • Solar System alignment method allows to view the moon and planets during the day
  • Permanent Programmable Periodic Error Correction (PEC) corrects periodic tracking errors inherent to all worm drives
  • Custom Rate 9 feature allows to set maximum slew rate
  • Tandem mode allows to star align the mount even when positioned for tandem scope use
  • RS-232 communication port on hand control to control the telescope via a personal computer
  • Includes NexRemote telescope control software, for advanced control of telescope via computer
  • Precision machined 40 mm diameter steel Polar shafts supported by multiple tapered roller bearings and ball bearings
  • GPS-compatible with optional SkySync GPS Accessory
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Product Specificaties

Optical Tube Info: 
Optical DesignEdgeHD
Aperture (mm)203.2 mm (8 in)
Focal Length2032 mm (80 in)
Focal Ratio10
Focal Length of Eyepiece 1 (mm)40 mm (1.57 in)
Magnification of Eyepiece 151 x
Finderscpoe9x50
Star Diagonal1.25
Optical TubeAluminum
Highest Useful Magnification480 x
Lowest Useful Magnification29 x
Limiting Stellar Magnitude14
Resolution (Rayleigh)0.69 arc seconds
Resolution (Dawes)0.57 arc seconds
Light Gathering Power (Compared to human eye)843 x
Secondary Mirror Obstruction2.7 in (69 mm)
Secondary Mirror Obstruction by Diameter34%
Secondary Mirror Obstruction by Area11%
Optical CoatingsStarBright XLT
Optical Tube Length17 in (432 mm)
Optical Tube Weight14 lbs (6.35 kg)
Dovetail CompatibilityCGE Mount
Mount Info: 
Mount TypeGerman Equatorial Mount
Tripod2” Steel tripod with graduated markings on lower section
Dovetail Mount Directly connects to both CG-5 & CGE dovetail bars
Payload Capacity40 lbs
Latitude Range15º – 70º
Power Requirements 12 VDC, 3.2 amps
Ports1x Hand control port, 1x Auxiliary Port, 1x Auto guider port, 1 USB 2.0 port (on hand control)
Motor DriveLow cog DC servo motors
Slew Speeds9 slew speeds
Tracking RatesSidereal, Solar and Lunar
Tracking ModesEQ North and EQ South
Alignment ProceduresAutoAlign, 2-Star Align, Quick Align, 1-Star Align, Last Alignment, Solar System Align
Computerized Hand ControlDouble line, 16 character Liquid Crystal Display; 19 fiber optic backlit LED buttons, USB 2.0 port for PC connection
Database40,000+ objects, 100 user defined programmable objects. Enhanced information on over 200 objects
Mount Weight40 lbs
Tripod Weight20 lbs
Weight of Counterweight1 x 17 lbs counterweight
Total Weight of Mount Kit77 lbs
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