Celestron CGX equatorial 1100 Edge HD telescope

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CE-CE12057

Celestron CGX equatorial 1100 Edge HD telescope consists of Edge HD 11" optical tube and CGX GoTo computerized mount. Accessories included.

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Celestron CGX equatorial 1100 Edge HD telescope consists of Edge HD 11" optical tube and CGX GoTo computerized mount. Accessories included.

OVERVIEW

Experience our best optical performance with EdgeHD’s aplanatic, flat field Schmidt-Cassegrain optics for pinpoint stars all the way to the edge of today’s largest imaging sensors and widest eyepieces.

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.

Celestron’s premium StarBright XLT coatings provide maximum light transmission.

A 9x50 finderscope, 2” mirror diagonal for more comfortable viewing, and wide-angle 23 mm Luminos 2" eyepiece are all included.

DESCRIPTION

SEE THE UNIVERSE IN HD
EdgeHD is an aplanatic, flat field Schmidt-Cassegrain telescope that produces aberration-free images across a wide visual and photographic field of view. The optical system was designed to reduce more than just off-axis star coma; it also provides an astrograph-quality flat focal plane all the way to the edge of the field of view. 

TRUE ASTROGRAPH QUALITY
Many optical designs that advertise themselves as "astrographs" actually only produce pinpoint stars across a curved focal plane. While this may be acceptable for some visual observing, stars will appear out of focus at the edge when used with the flat chip sensor of a digital camera. EdgeHD optics produce a focal plane more than three-times flatter than a standard Schmidt-Cassegrain telescope and dramatically flatter than competing coma-free designs. This guarantees you visibly sharp stars across some of the largest CCD chips available today.

IMPROVED PERFORMANCE
Superior edge performance not only creates rounder, more pleasing stars, but actually improves the resolution and limiting magnitude when compared to telescopes of equal aperture. With Celestron’s StarBright XLT optical coatings on every surface, EdgeHD optics gives you maximum light throughput across the widest visual and photographic spectrum.

MECHANICAL FEATURES
In addition to EdgeHD’s optimized optical design, the telescope tube has been redesigned to make sure you get the most from your optics each and every night.

MIRROR CLUTCHES - Flexible tension clutches hold the mirror in place and reduce image shift when taking long exposure astro-images. Once focused, the flexible rods allow the mirror to be held in place without putting any force or pressure on the mirror assembly, keeping the image centered in the eyepiece (or on the sensor).

TUBE VENTS - Cooling vents located on the rear cell allow hot air to be released from behind the primary mirror. Each vent has an integrated 95-micron micromesh filter guaranteed to let warm air out without letting dust in.

FASTAR VERSATILITY - EdgeHD is the most versatile imaging telescope available today. At its native f/10, you can achieve the image scale necessary to capture the smallest of deep sky objects. Add the optional reducer lens—custom-designed for your size EdgeHD tube—and you can increase your field of view without sacrificing optical performance. A Barlow gives you added power for high-resolution planetary, lunar and solar imaging. All EdgeHD optical tubes are Fastar-compatible, allowing the secondary mirror to be removed and replaced with a third party lens accessory for ultra-fast f/2 wide field imaging.

INDIVIDUALLY TESTED
Every EdgeHD that ships has been tested not only for the surface quality of each optical component, but also with a camera and artificial star to ensure the imaging system meets our rigid quality assurance.  This “final acceptance test” confirms the EdgeHD will perform in the field and deliver high-quality astroimages.

New Celestron CGX GOTO computerized equatorial mount features 25 Kg payload, Nexstar+ handbox, tripod, 2 x 5 Kg counterweight and new remote control software.

SPECIFICATIONS

Optical Design

EdgeHD

Aperture (mm)

279.4 mm (11 in)

Focal Length

2800 mm (110 in)

Focal Ratio

10

Focal Length of Eyepiece 1 (mm)

23 mm (0.91 in)

Magnification of Eyepiece 1

122 x

Finderscope

9x50

Star Diagonal

2" w/ 1.25" adapter

Optical Tube

Aluminum

Highest Useful Magnification

660 x

Lowest Useful Magnification

40 x

Limiting Stellar Magnitude

14.7

Resolution (Rayleigh)

0.5 arc seconds

Resolution (Dawes)

0.42 arc seconds

Light Gathering Power (Compared to human eye)

1593 x

Secondary Mirror Obstruction

3.75 in (95 mm)

Secondary Mirror Obstruction by Diameter

34%

Secondary Mirror Obstruction by Area

12%

Optical Coatings

StarBright XLT

Optical Tube Length

24 in (610 mm)

Optical Tube Weight

28 lbs (13 kg)

Dovetail Compatibility

CGE Mount

Mount German Equatorial
Instrument load capacity 55lbs
Tripod height adjustment range 47.25” to 77.5” including EQ head
Tripod leg diameter 2"
Latitude adjustment range 3º-65º
Tripod Weight 19.2 lbs
EQ Head Weight 44 lbs
Max Slew Speed 5º/second (4º/second is default)
Tracking Rates Sidereal, Solar and Lunar
Number of Auxiliary ports (for hand control and accessories) 2
Autoguide port Yes
USB Port Yes
Software New telescope control PC software
Included Items
CGX Equatorial Head
CGX Tripod
Accessory Tray
2 x 11 lbs counterweight
NexStar+ Hand Control
DC Power Cable (plugs into cigarette lighter socket)




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