Celestron CGEM II 1100 HD
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Celestron CGEM II 1100 HD

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Celestron CGEM II 1100 HD Product description

  1. Advanced EdgeHD Optics: The EdgeHD optical design provides aberration-free images across a wide field of view, making it ideal for astrophotography. This aplanatic Schmidt-Cassegrain system delivers pinpoint stars to the very edge of the sensor.

  2. Robust CGEM II Mount: The CGEM II German Equatorial Mount is designed for serious visual observers and imagers. Its superior GoTo accuracy, heavy-duty construction, and permanently programmable periodic error correction (PEC) ensure stable tracking and precise object location.

  3. Exceptional Compactness: As a catadioptric telescope, specifically a Schmidt-Cassegrain, the 1100 HD offers a very long focal length in a short, portable tube. Its closed tube design minimizes dust ingress and reduces maintenance, ideal for versatile use from backyard observing to remote astrophotography.

  4. Versatile Usage: This setup excels in both visual observation of planets and deep-sky objects, and high-resolution astrophotography. Its large 280mm aperture gathers substantial light for bright, detailed views, while the precise tracking accommodates long-exposure imaging.

ABOUT THE CELESTRON CGEM II 1100 HD

The Celestron CGEM II 1100 HD stands out in the market by integrating Celestron's cutting-edge EdgeHD optical system with the robust CGEM II computerized GoTo German equatorial mount. Unlike standard Schmidt-Cassegrain telescopes, the EdgeHD aplanatic design ensures flat-field, coma-free images, delivering stars that are perfectly round from the center to the very edge of your camera sensor or eyepiece field, which is critical for high-quality astrophotography. This catadioptric telescope is engineered for both demanding astrophotographers and visual observers seeking superior performance. Its large 11-inch (280mm) aperture provides incredible light-gathering capability, revealing faint deep-sky objects and intricate planetary details. The combination of its portable main tube, advanced optics, and the stable, precise tracking of the CGEM II mount makes it an exceptionally versatile instrument for a wide range of astronomical pursuits, ensuring sharp, high-contrast views and excellent imaging results.

ABOUT CELESTRON

Celestron, founded in 1960 in Torrance, California, USA, has grown to become a world leader in telescope manufacturing. Renowned for its innovation, particularly in computerized GoTo mounts and Schmidt-Cassegrain designs, Celestron has consistently pushed the boundaries of amateur astronomy. The brand is celebrated for making cutting-edge optical technology accessible to enthusiasts, from beginners to advanced astrophotographers. Their product philosophy emphasizes superior optical quality, user-friendly technology, and rugged durability, building a strong reputation for reliable and high-performing astronomical instruments globally.

MAIN FEATURES

  • Optical Design: 11-inch (280mm) f/10 EdgeHD aplanatic Schmidt-Cassegrain

  • Mount Type: Computerized German Equatorial Mount (CGEM II) with dual-axis DC servo motors

  • Focal Length: 2800 mm

  • Resolution: 0.41 arc seconds

  • Limiting Stellar Magnitude: 14.7

  • Tracking Speeds: Sidereal, Solar, Lunar

  • Database: 40,000+ objects, user-definable limits, permanent PEC

  • Weight Capacity: 40 lbs (18 kg)

  • Material: Optical grade glass, aluminum tube, steel tripod

  • Compatibility: NexRemote telescope control software, optional StarSense AutoAlign

WARRANTY

This product is covered by a 2-year global warranty that includes defects in materials and manufacturing under normal use.

IN THE BOX

  • Celestron CGEM II 1100 HD Telescope

  • CGEM II GoTo Equatorial Mount

  • Heavy-duty Steel Tripod

  • 1 x 2" Eyepiece (23mm Luminos, 122x)

  • 9x50 Finderscope

  • 2" Star Diagonal with 1.25" adapter

  • NexStar+ Hand Controller

  • DC power cable

  • Accessory tray

  • Counterweights (2x 17lb)

General properties

Manufacturer Celestron
Telescope series Celestron CGEM
Made in -
In production since -
Warranty 2 years
SKU C823077X

Optical properties

Optical design Schmidt Cassegrain
Lowest useful magnification. 40.00 x
Highest useful magnification. 661.00 x
Optical tube diameter -
Optical tube length 610 mm
Optical tube weight -
Aperture. 280.00 mm
Focal length. 2800.00 mm
Focal ratio. NOK 108.30
Focal Length of Eyepiece 1 23 mm
Magnification of Eyepiece 1 122x
Focal Length of Eyepiece 2 -
Magnification of Eyepiece 2 -
Focal Length of Eyepiece 3 -
Magnification of Eyepiece 3 -
Light gathering power. 1600.00 x
Limitting stellar magnitude. NOK 159.20
Resolution Rayleigh. 0.50 Arc seconds
Resolution Dawes. 0.41 Arc seconds

Reflector properties

Secondary mirror diameter. 95.00 mm
Secondary mirror obstruction by diameter. 34.00 %
Secondary mirror obstruction by area. 12.00 %

Recording properties

Image Capture Optional
Photo adapter Optional

Mounting properties

Mount type of build CGEM DX Computerized Equatorial, GoTo
Tripod adaptable Yes
Tripod type Adjustable
Tripod material Stainless steel

Navigation properties

Stellar navigation software All-Star Polar Alignment, NexRemote, NexStar
GoTo Control Yes
GoTo Language English, French, German, Spanish
GoTo control interfaces NexRemote
Alignment method 1-star, 2-star, Last alignment, Quick align, Solar system
GPS Optional
Tracking Yes
Tracking rates Lunar, Sidereal, Solar
Tracking Modes EQ North, EQ South
Guiding performance -
Slow motion controls No
Slew Speed Nine Slew Speeds
Communication Ports Multi AUX ports, Multi USB ports
Computer hand control 19 fiber optic backlit LED buttons, 19 LED backlit buttons, Double line

Physical properties

Power Supply Car battery adapter
Lens coating StarBright XLT
Focuser Type 2'' Crayford style with 1.25'' adapter
Eyepiece barrel diameter 1.25'' / 31.75 mm
Eyepiece angle 90°
Barlow lens Not Included
Bubble level No
Total kit weight. 66.00 kg
Color White

Special features

Finderscope 9x50
Recommended for Advanced
Suitable for observing Astrophotography, Galaxies, Moon, Nebulae, Planets

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