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The CGEM™ mount has a fresh, attractive, bold appearance
and is capable of carrying Celestron’s higher-end SCT optical tubes (up to
11") securely and vibration free which is ideal for both imaging and visual
observing. |
Ergonomic Design - CGEM was designed to be ergonomically friendly with large
Altitude and Azimuth adjustment knobs for quick and easy polar alignment adjustment. The internal
RA and DEC motor wiring provides a clean look and an easy and trouble free set
up. Innovation - The CGEM series has a new innovative Polar alignment procedure
called All-Star™ (patent pending). All-Star allows users to choose any bright star, while the
software calculates and assists with polar alignment. Another great feature of the CGEM, sure to
please astroimagers, is the Permanent Periodic Error Correction (PEC) which will allow users to train
out the worm gears periodic errors, while the mount retains the PEC recordings.
Performance - For objects near the Meridian (imaginary line passing from North
to South), the CGEM will track well past the Meridian for uninterrupted imaging through the most ideal
part of the sky. The CGEM mount has a robust database with over 40,000 objects, 400 user defined
programmable objects and enhanced information on over 200 objects. Celestron's CGEM mount is
the perfect fit between the Advanced Series and CGE Series. Offering the portability of the
Advanced Series and the precision of the CGE.
- CGEM Computerized Equatorial Mount
- Ultra sturdy 2" steel tripod with Accessory
Tray
- 40,000 object database with 400 user-definable objects and expanded information on over
200 objects
- Proven NexStar computer control technology
- Flash upgradeable hand control
software and motor control units for downloading product updates over the Internet
- New
"All-star" Polar alignment uses any bright star for a quick and accurate Polar
alignment
- Software Features include: Mount Calibration, Database Filter Limits, Hibernate, five
Alignment Procedures, and user-defined slew limits
- 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
- Permanent programmable periodic error
correction (PEC) - corrects for periodic tracking errors inherent to all worm drives
- Flash
upgradeable hand control software and motor control units for downloading product updates over the
Internet
- 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
- Steel worm gear and 90mm pitch diameter brass worm wheel
- Drive Motors -
Low Cog DC Servo motor with integrated optical encoders offer smooth, quiet operation and long life.
The motor armatures are skewed to minimize cogging which is required fro low speed
tracking.
- Internal Cable wiring for trouble-free setup and transportation
- Designated
six-pin RJ-12 modular jack, ST-4 compatible guide port
- Autoguide port and auxiliary ports
located on the electronic pier for long exposure astrophotography
- Double line, 16-character
Liquid Crystal Display Hand Control with backlit LED buttons for easy operation of goto
features
- RS-232 communication port on hand control to control the telescope via a personal
computer
- Includes NexRemote telescope control software, for advanced control of your telescope
via computer
- GPS-compatible with optional CN16 GPS Accessory
MOUNT: Computerized Equatorial
TRIPOD: Adjustable, Stainless
Steel
CD ROM: NexRemote control software with RS232 cable
POWER
SUPPLY: Car battery adapter
TRIPOD WEIGHT: 17 lb (7.71
kg)
MOUNT WEIGHT: 41 lb (18.6 kg)
COUNTERWEIGHTS: 1 x 17 lb
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
MODES: EQ North and EQ South
ALIGNMENT PROCEDURES: AutoAlign, 2-Star
Align, Quick Align, 1-Star Align, Last Alignment, Solar System Align
SOFTWARE
PRECISION: 24bit, 0.08 calculation
DATABASE: 40,000+ objects, 400 user
defined programmable objects. Enhanced information on over 200 objects
POWER
REQUIREMENTS: 12 VDC 1.5 Amp
GPS: Optional CN-16 GPS Accessory
CGEM - 800
- 8" Schmidt-Cassegrain telescope
- CGEM Computerized Equatorial
Mount
- Schmidt-Cassegrain mechanism that moves the primary mirror to adjust focus is supported
by two pre-loaded ball bearings, minimizing the "mirror flop" typical of bushing focus
mechanisms
- Celestron's premium StarBright XLT coatings
- 6x30 finderscope to help
accurately find objects
- Ultra Sturdy 2" steel tripod with Accessory Tray
- Star diagonal
provides more comfortable viewing position when observing objects that are high in the
sky
- 40,000 object database with 400 user-definable objects and expanded information on over 200
objects
- Proven NexStar computer control technology
- New "All-star" Polar alignment uses
any bright star for a quick and accurate Polar alignment
- Software Features include: Mount
Calibration, Database Filter Limits, Hibernate, five Alignment Procedures, and user-defined slew
limits
- Flash upgradeable hand control software and motor control units for downloading product
updates over the Internet
- 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
- Permanent programmable periodic error correction (PEC) -
corrects for periodic tracking errors inherent to all worm drives
- Steel worm gear and 90mm
pitch diameter brass worm wheel
- Drive Motors - Low Cog DC Servo motor with integrated optical
encoders offer smooth, quiet operation and long life. The motor armatures are skewed to minimize
cogging which is required for low speed tracking.
- Internal Cable wiring for trouble-free setup
and transportation
- Designated six-pin RJ-12 modular jack, ST-4 compatible guide
port
- Autoguide port and auxiliary ports located on the electronic pier for long exposure
astrophotography
- Double line, 16-character Liquid Crystal Display Hand Control with backlit LED
buttons for easy operation of goto features
- RS-232 communication port on hand control to
control the telescope via a personal computer
- Includes NexRemote telescope control software,
for advanced control of your telescope via computer
- GPS Compatible with optional CN16 GPS
Accessory
CGEM - 800 Specifications
OPTICAL DESIGN: 8" Schmidt-Cassegrain
APERTURE: 203.2 mm (8
in)
FOCAL LENGTH: 2032 mm (80 in)
FOCAL RATIO: 10
FINDERSCOPE: 6x30
MOUNT: Computerized Equatorial
OPTICAL TUBE: Aluminum
OPTICAL COATINGS: Starbright XLT
Coating
EYEPIECE 1: 25 mm (0.98 in)
MAGNIFICATION 1: 81
x
STAR DIAGONAL: 1.25
TRIPOD: Adjustable, Stainless Steel
CD ROM: NexRemote control software with RS232 cable
POWER
SUPPLY: Car battery adapter
HIGHEST USEFUL MAGNIFICATION: 480
x
LOWEST USEFUL MAGNIFICATION: 29.03 x
LIMITING STELLAR
MAGNITUDE: 14
EYEPIECE 1 FIELD OF VIEW: .62 °
LIGHT
GATHERING POWER: 843 x
ANGULAR FIELD OF VIEW: 0.62
°
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
MODES: 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, 400 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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