Celestron CGX EQ 800 EdgeHD 8" f/10 Schmidt-Cassegrain GoTo Telescope

BH #CECGXEQ800T • MFR #12055
Celestron CGX EQ 800 EdgeHD 8" f/10 Schmidt-Cassegrain GoTo Telescope
Key Features
  • 8" Aplanatic Schmidt-Cassegrain OTA
  • 2032mm Focal Length, f/10 Focal Ratio
  • StarBright XLT Optical Coating System
  • 1.25" Diagonal and 40mm Eyepiece
Celestron provides a complete astronomical observation platform, including their updated heavy-duty mount, with the CGX EQ 800 EdgeHD 8" f/10 Schmidt-Cassegrain GoTo Telescope. This rig comes with everything you need to start making detailed observations of the Moon, planets, and deep-sky objects such as galaxies, nebulae, clusters, and stars. It comes with a large-aperture Schmidt-Cassegrain optical tube assembly (OTA), the NexStar+ computer controller, the CGEM II motorized EQ mount, a 1.25" 40mm eyepiece that produces 51x, a 1.25" 90° diagonal, and a large 2" leg-diameter stainless steel tripod.
Special Order
Expected availability: 2-4 weeks
$3,299.00
Sales and export of this item to South Korea are prohibited.
David S., B&H Optics Expert

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Celestron CGX 800 Overview

Celestron provides a complete astronomical observation platform, including their updated heavy-duty mount, with the CGX EQ 800 EdgeHD 8" f/10 Schmidt-Cassegrain GoTo Telescope. This rig comes with everything you need to start making detailed observations of the Moon, planets, and deep-sky objects such as galaxies, nebulae, clusters, and stars. It comes with a large-aperture Schmidt-Cassegrain optical tube assembly (OTA), the NexStar+ computer controller, the CGEM II motorized EQ mount, a 1.25" 40mm eyepiece that produces 51x, a 1.25" 90° diagonal, and a large 2" leg-diameter stainless steel tripod.

Celestron EdgeHD CGE 8" f/10 Aplanatic Schmidt-Cassegrain Telescope (OTA Only)

Engineered to deliver sharp and clear distortion-free views, the Celestron EdgeHD CGE 8" f/10 Aplanatic Schmidt-Cassegrain Telescope is an ideal choice for observation, astrophotography, and imaging objects within or beyond our solar system. It features an aplanatic Schmidt-Cassegrain optical system consisting of a corrector plate, a spherical primary mirror, and a secondary mirror along with a set of field-flattening lenses integrated into the baffle tube. Complementing the EdgeHD system is the proprietary StarBright XLT optical coating system, which improves light transmission and reflectivity across the entire visual spectrum. The combination of EdgeHD and StarBright XLT produces bright and clear high-resolution images with true color rendition across the entire field of view without distortion, aberrations, or off-axis comas.

Optimized for imaging, the internal focusing system features mirror support clutches to ensure proper alignment and mirror locks to avoid accidental defocusing during long-exposure astrophotography. The optical tube is outfitted with a standard 1.25" visual back to make it easier to find eyepieces, accessories, and imaging gear. For visual observations, a 1.25" star diagonal is included along with a 40mm Plössl eyepiece that yields 51x magnification. The EdgeHD 8" is offered here without a mount or tripod for users who already have a reliable support system and are looking to upgrade or add to their existing gear, but comes with a large CGE dovetail plate that is compatible with Losmandy-style saddles.

Optical Tube

  • 8" (203.2mm) aperture
  • f/10 focal ratio
  • 2032mm effective focal length
  • Aplanatic Schmidt-Cassegrain optical design
  • EdgeHD field-flattener aplanatic design eliminates spherical aberration, field curvature, and off-axis star coma to improve resolution, sharpness, and clarity across the entire field of view, especially at the edges
  • Diffraction-limited SCHOTT glass reduces internal light loss to improve color, clarity, and sharpness
  • StarBright XLT optical coatings
  • Flexible tension clutches hold the primary mirror in place to reduce image shift without putting any force or pressure on the mirror assembly, keeping subjects centered
  • Internal mirror locks prevent accidental adjustment to focusimportant during long-exposure astrophotography
  • Integrated 95-micron mesh filter allows hot air to be released from behind the primary mirror without dust getting in, to prevent mirror distortion due to uneven surface temperatures
  • Resolution: 0.69 arcsec (Rayleigh); 0.57 arcsec (Dawes)
  • Secondary mirror obstruction: 2.7" (69mm); 34% by diameter; 11% by area

StarBright XLT System

  • Maximizes light transmission through optical path
  • Improves color rendition, contrast, sharpness, resolution, and brightness
  • Broadband system provides flat wavelength transmission across the entire visual spectrum
  • Multi-layer mirror coatings with layers of aluminum, SiO2 (quartz), and TiO2 (titanium dioxide)
  • Multi-layer anti-reflective corrector plate coatings with layers of MgF2 (magnesium fluoride) and HfO2 (hafnium dioxide); hafnium has a wider band-pass than the commonly used titanium
  • High-transmission water white glass corrector plate limits light loss due to internal absorption

Mounting

  • OTA only; mount and tripod required for proper use
  • Large CGE (Losmandy-style) dovetail plate

Included Accessories

Visual Back:

  • Standard Schmidt-Cassegrain telescope (SCT) threads
  • 1.25" eyepiece/accessory holder
  • Use for prime focus or projection astrophotography with optional adapters

Eyepiece:

  • Plössl lens configuration
  • 1.25"-diameter barrel
  • Accepts most 1.25" eyepiece filters
  • 40mm focal length yields 51x power

Diagonal:

  • 90° angle puts head in comfortable viewing position
  • Threaded for direct connection to OTA without the need for the visual back
  • 1.25" eyepiece/accessory holder
  • Star diagonal corrects image horizontally, but not vertically

Finderscope:

  • Low 9x magnification preserves wide field of view to more easily find alignment or guide stars
  • Large 50mm aperture helps to see dimmer objects and stars for easier star-hopping navigation
UPC: 050234103091

Celestron CGX GoTo EQ Mount with Tripod

Celestron's CGX GoTo EQ Mount with Tripod improves on their venerable CGEM platform to provide users with a heavy-duty research-quality mount for larger optical tube assemblies (OTAs), accessories, and imaging rigs. Engineered to carry a 55-pound payload and outfitted with high-torque motors with a heavy-duty belt-drive system to improve tracking stability and reduce backlash, it is able to smoothly and accurately track near- and deep-sky objects for long periods of time. Its Vixen/Losmandy dual dovetail saddle makes the mount compatible with most plates in use today. To provide a stable platform for the mount and your OTA, a heavy-duty stainless steel tripod is included that sports large 2"-diameter legs, an accessory tray that doubles as a stabilizer, and an adjustment range from 47.25 to 77.5" including the head.

The brain of the CGX EQ is the NexStar+ computer controller. Equipped with a database of 40,000 objects, including the planets, stars, nebulae, galaxies, and the complete Messier catalog, it can also be programmed with up to 100 custom user-defined objects and filters for custom object lists. Its intuitive menu-driven user interface allows you to observe the heavens with nine slew speeds and three tracking rates, plus anti-backlash compensation and Permanent Periodic Error Correction (PPEC) for smoother movements in the motors and improved tracking over time. Features such as guided tours, extended information on 200 popular objects, and multiple alignment options make the NexStar+ controller easy to use and invaluable to new users and experienced stargazers.

Mount

  • German equatorial mount
  • 55 lb payload capacity
  • 3-65° latitude adjustment range
  • 20° of additional tracking past the meridian provides greater usability
  • Dual-axis servo motors with optical encoders for smooth tracking and quiet operation
  • High-torque motors provide smooth tracking and slewing for heavy OTAs
  • Internal belt-drive system provides smooth, vibration-free tracking while minimizing backlash
  • Spring-loaded brass worm wheel and stainless steel worm gear reduce friction and improve gear meshing
  • Limit sensors automatically shut off slewing or tracking before reaching the hard stop fail safe
  • Internal hard stops for both axes prevent cable tension and tripod strike
  • Autoguider port for making corrections while astroimaging
  • Dual Vixen/Losmandy dovetail saddle, compatible with CG-5 and CGE bars
  • Long clutch levers make tightening and loosening of clutches easier for manual movement
  • Internal "Real Time Clock" keeps time and site information saved when power is turned off
  • Internal cables/wires for snag-free operation
  • Runs on included 12 VDC, 4A car/vehicle power supply

NexStar+ Hand Controller

  • Features:
  • Intuitive menu-driven user interface
  • Nine slew speeds: 2x, 4x, 8x, 16x, 32x, 0.3°/sec, 1.0°/sec, 2°/sec, 4°/sec
  • Three tracking rates: Sidereal, Lunar, and Solar
  • Anti-backlash correction: Trains out intrinsic play in gears for smoother movement and tracking
  • Permanent Periodic Error Correction (PPEC): Improves tracking precision for long-exposure astrophotography and imaging
  • Database:
  • 40,000-object database
  • 400 user-defined objects for customization
  • Filters for creating custom object lists
  • Solar System: All seven planets plus the Moon, Sun, and Pluto
  • Custom lists of all the brightest stars, double stars, variable stars, and asterisms
  • Custom lists of all the best galaxies, nebulae, and clusters, as well as the complete Messier catalog and select NGC objects
  • Functions
  • Alignment options: One or Two-star, Solar system, Quick, and Last
  • Sky Tour: Based on location, date, and time, the system shows the best objects in the sky and automatically slews to them
  • Object info: Provides useful information about the selected object such as magnitude and constellation; includes extended information about 200 popular objects
  • Physical characteristics:
  • 2-line, 18-character LCD window with red backlighting for comfortable viewing without affecting night-adjusted vision
  • 19 function keys, backlit in red
  • Mini-USB port: Connect to a computer, for use with software programs for point-and-click slewing capability and updating firmware via PC

Tripod

  • Stainless steel legs
  • Adjustable-height 47.25-77.5", including head
  • Heavy-duty 2" diameter
  • Wide leg stance provides greater stability, especially on uneven ground
  • Accessory/eyepiece holder tray that doubles as a leg spreader/lock
  • Weight: 19.2 pounds
UPC: 050234153096

Celestron EdgeHD CGE 8" f/10 Aplanatic Schmidt-Cassegrain Telescope (OTA Only) Specs

Optical DesignAplanatic Schmidt-Cassegrain
Aperture8.0" / 203.2mm
Focal Length2032mm
Focal Ratiof/10
Eyepiece Barrel Diameter1.25"
Diagonal90° star
1.25" snout and eyepiece holder
Finderscope9x50
TripodNone
Mount TypeCGE dovetail plate
Compatible with Losmandy-style saddles
Power SourceNone
Optical Tube Length17.0" / 43.2 cm
Weight14.0 lb / 6.4 kg
Packaging Info
Package Weight25 lb
Box Dimensions (LxWxH)26 x 16 x 14"

Celestron CGX GoTo EQ Mount with Tripod Specs

Mount
Mount TypeGerman Equatorial
GoTo CapabilityYes, NexStar+
Payload Capacity55 lb / 24.9 kg
MotorDual Axis
Tracking RatesLunar, Sidereal, Solar
Latitude Adjustment3 to 65°
Counterweight2 x 11.0 lb / 5.0 kg
Polar Axis ScopeNone
Tripod
Height Adjustment Range47.25 to 77.5" / 120 to 197 cm (with Mount)
Leg Diameter2" / 5.1 cm
Leg Sections2
MaterialsStainless Steel
General
Adapter12 VDC (Included)
Mounting SystemVixen Style, Losmandy Style
GPSNo
Wi-FiNo
DimensionsNot Specified by Manufacturer
Weight44 lb / 20 kg (Mount)
19.2 lb / 8.7 kg (Tripod)
Packaging Info
Package Weight52 lb
Box Dimensions (LxWxH)46.5 x 13.8 x 13"
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