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Celestron Advanced Series C6-RGT Refractor

C6-RGT Computerized Telescope Item #21020

FEATURES

General

  • High quality 6" refractor
  • Heavy Duty (CG-5GT) computerized German Equatorial mount
  • 9x50 finderscope with bi-directional alignment screws and a spring loaded pivot support
  • 2" focuser allows for use with 2" or 1.25" eyepieces
  • Star diagonal provides more comfortable viewing position when observing objects that are high in the sky
  • Ultra sturdy 2" diameter steel tripod with accessory tray
  • Includes CD-ROM "The Sky" Astronomy Software which provides education about the sky and printable sky maps

Computerized

  • Proven NexStar computer control technology
  • 40,000 object database with 400 user-definable objects and expanded information on over 200 objects
  • Custom database lists of all the most famous deep-sky objects by name and catalog number; the most beautiful double, triple and quadruple stars; variable star; solar systems; objects and asterisms
  • DC Servo motors with encoders on both axes
  • Flash upgradeable hand control software and motor control units for downloading product updates over the Internet
  • Autoguider port for long exposure astrophotography
  • Double line, 16-character Liquid Crystal Display Hand Control with backlit LED buttons for easy operation of goto features
  • Compatible with optional NexRemote telescope control software, for advanced control of your telescope via computer
  • RS-232 communication port on hand control to control the telescope via a personal computer
  • GPS-compatible with optional CN16 GPS Accessory (93966)
DESCRIPTION

An excellent choice for the serious astronomer, the C6-R is the largest telescope in its class with over 6 times the light gathering ability of a 60mm. This deluxe quality 1200mm focal length, f/8 German Equatorial mounted achromatic refractor is an incredible value and offers outstanding light gathering ability and stability. It features premium accessories such as a heavy duty CG-5 German Equatorial mount, 9x50 finderscope with bi-directional alignment screws and a spring loaded pivot support, 20mm Plössl 1-1/4" eyepiece, 2" focuser, 2x Barlow with photo adapter, accessory tray and much more.

Mounted on the Advanced GT Series computerized mount, this telescope has some high performance software and hardware features. Operated by our proven NexStar® computer control technology the telescope has a 40,000+ object database with 400 user-definable objects and expanded information on over 200 objects. Custom database lists of all the most famous deep-sky objects by name and catalog number; the most beautiful double, triple and quadruple stars; variable star; solar systems; objects and asterisms.

Using the RS-232 communication port on the hand control, you can control the telescope via a personal computer and our new flash upgradeable hand controls allow you to update your telescope's operating software via the internet. An autoguider port is also included for astrophotography.

CG-5 Mount - Precision engineered for stability.

Our new German Equatorial mount has precision worm gears on both axes for extremely smooth stability. The key element that makes this system the most stable in its class is the NEW heavy-duty tripod with larger and more substantial legs that offer excellent damping characteristics for more stable views. The CG-5 also has a convenient latitude scale for easier alignment and an optional polar finder scope for the ultimate in precision alignments.

SPECIFICATIONS
OPTICAL DESIGN Refractor
APERTURE 150 mm (5.91 in)
FOCAL LENGTH 1200 mm (47.24 in)
FOCAL RATIO 8
FINDERSCOPE 9x50
MOUNT CG-5 Equatorial
EYEPIECE 1 20 mm (0.79 in)
MAGNIFICATION 1 60 x
STAR DIAGONAL 1.25
ACCESSORY TRAY Yes
TRIPOD 2 inch Stainless Steel
CD ROM "The Sky®" Level 1
POWER SUPPLY Car Battery Adapter
HIGHEST USEFUL MAGNIFICATION 354 x
LOWEST USEFUL MAGNIFICATION 21.43 x
LIMITING STELLAR MAGNITUDE 13.4
RESOLUTION 0.93 arcsec
RESOLVING POWER 0.77 arcsec
PHOTOGRAPHIC RESOLUTION 227 line/mm
LIGHT GATHERING POWER 459 x
ANGULAR FIELD OF VIEW 0.83 °
LINEAR FIELD OF VIEW (@1000 YDS) 43.8 ft (13.35 m)
LINEAR FIELD OF VIEW (@1000 m) 15 m
OPTICAL COATINGS Multi-Coated
OPTICAL TUBE LENGTH 50.5 in (1282.7 mm)
TELESCOPE WEIGHT 68 lb (30.84 kg)
COUNTERWEIGHTS 2-11lb
MOTOR DRIVE 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 3°/sec
TRACKING RATES Sidereal, Solar and Lunar
TRACKING MODES EQ North and EQ South
ALIGNMENT PROCEDURES AutoAlign, 2-Star Alignment, Quick Align
SOFTWARE PRECISION 24bit, 0.08 arcsec calculation
COMMUNICATION PORTS RS-232 communication port on hand control
MOTOR PORTS Aux Port, Autoguide Ports
DATABASE 40,000+ objects, 400 user defined programmable objects. Enhanced information on over 200 objects