Telescopes > Celestron > Advanced Series > C11-SGT (XLT)

Celestron Advanced Series C11-SGT (XLT) Schmidt-Cassegrain

C11-SGT (XLT) Computerized Telescope Item #11067-XLT

FEATURES

General

  • 11" Schmidt-Cassegrain telescope
  • StarBright XLT high transmission coatings
  • 9x50 finderscope to help accurately find objects
  • Heavy Duty (CG-5GT) computerized German Equatorial mount
  • Ultra sturdy 2" diameter steel tripod with accessory tray
  • Star diagonal provides more comfortable viewing position when observing objects that are high in the sky
  • 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

The largest aperture Advanced telescope in the series, this 11" Schmidt-Cassegrain optical system is mounted on the computerized CG-5 EQ mount, which features precision worm gears for extremely smooth motion. And with the heaviest component under 30 lbs this telescope won't break your bank or your back.

The C11 optical system comes with our premium StarBright® XLT coatings and its large aperture offers light gathering power 1593 times that of the human eye and 89% more than our 8" model. An optional polar alignment scope for quick alignment is available.

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 tracking motion. 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 Schmidt-Cassegrain
APERTURE 280 mm (11.02 in)
FOCAL LENGTH 2800 mm (110.24 in)
FOCAL RATIO 10
FINDERSCOPE 9x50
MOUNT CG-5 Equatorial
EYEPIECE 1 40 mm (1.57 in)
MAGNIFICATION 1 70 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 661 x
LOWEST USEFUL MAGNIFICATION 40 x
LIMITING STELLAR MAGNITUDE 14.7
RESOLUTION 0.5 arcsec
RESOLVING POWER 0.41 arcsec
PHOTOGRAPHIC RESOLUTION 200 line/mm
LIGHT GATHERING POWER 1600 x
ANGULAR FIELD OF VIEW 0.71 °
LINEAR FIELD OF VIEW (@1000 YDS) 38 ft (11.58 m)
LINEAR FIELD OF VIEW (@1000 m) 13 m
OPTICAL COATINGS Starbright Coating/XLT
SECONDARY MIRROR OBSTRUCTION 3.75 in (95.25 mm)
SECONDARY MIRROR OBSTRUCTION BY AREA 11.6 %
SECONDARY MIRROR OBSTRUCTION BY DIAMETER 34 %
OPTICAL TUBE LENGTH 24 in (609.6 mm)
TELESCOPE WEIGHT 91 lb (41.28 kg)
COUNTERWEIGHTS 3-11lb
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
DATABASE Aux Port, Autoguide Ports
DATABASE 40,000+ objects, 400 user defined programmable objects. Enhanced information on over 200 objects

     

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