Experience the cosmos like never before with the Celestron CGX Equatorial 800 HD Telescope. This advanced setup features an 8-inch HD optical system mounted on Celestron's precise CGX computerized equatorial mount, making it ideal for both avid astronomers and astrophotographers. The telescope's optics are enhanced with Celestron’s premium StarBright XLT coatings, ensuring exceptional light transmission and clear, crisp images.

Included in this package are a 9x50 finderscope for easy object location, a 1.25” mirror diagonal for comfortable viewing angles, and a 1.25” 40mm Plössl eyepiece, enriching your celestial viewing experience. The CGX 800 HD is celebrated for its lightweight and portable design, offering over 800 times the light-gathering power of the naked eye.

The EdgeHD technology in this telescope offers an aplanatic, flat field Schmidt-Cassegrain design that guarantees aberration-free images across a vast field of view. This optical system surpasses typical astrographs by providing a flatter focal plane, essential for sharp imaging with digital camera sensors.

The CGX 800 HD not only excels in delivering beautifully round and sharp stars but also enhances the resolution and limiting magnitude of celestial objects. Its mechanical design is thoughtfully engineered, featuring mirror clutches with flexible tension to reduce image shift and tube vents with integrated filters to manage temperature and dust ingress. The Fastar versatility of the EdgeHD optical tubes allows for rapid wide-field imaging and enhanced astrophotography capabilities.

Every EdgeHD optical system undergoes rigorous testing for surface quality and performance assurance, ensuring that each telescope delivers high-quality astroimages. The CGX mount, a product of Celestron's extensive experience in German Equatorial mount design, has been refined for improved stability, easier polar alignment, enhanced cable management, and remote operation capabilities.

This telescope and mount combination represents Celestron's commitment to providing versatile, high-performance equipment for both visual and photographic exploration of the night sky, making it an exceptional choice for astronomers and astrophotographers seeking a robust, high-quality imaging system.

Specifications

OPTICAL TUBE INFO:
Optical Design:	EdgeHD
Aperture:	203.2mm (8")
Focal Length:	2032mm (80")
Focal Ratio:	f/10
Focal Length of Eyepiece 1:	25mm (.98")
Magnification of Eyepiece 1:	81x
Finderscope:	6x30
Star Diagonal:	1.25" Star Diagonal
Optical Tube:	Aluminum
Highest Useful Magnification:	480x
Lowest Useful Magnification:	29x
Limiting Stellar Magnitude:	14
Resolution (Rayleigh):	0.69 arc seconds
Resolution (Dawes):	0.57 arc seconds
Light Gathering Power (Compared to human eye):	843x
Secondary Mirror Obstruction:	64mm (2.5")
Secondary Mirror Obstruction by Diameter:	31%
Secondary Mirror Obstruction by Area:	9.77%
Optical Coatings:	StarBright XLT
Optical Tube Length:	432mm (17")
Optical Tube Diameter:	238mm (9.37")
Optical Tube Weight:	12.5 lbs (5.67 kg)
Dovetail:	CGE Dovetail Bar
MOUNT INFO:
Mount Type:	Computerized Equatorial
Instrument load capacity:	55 lbs (25 kg)
Height adjustment range (includes mount and tripod):	1200.15mm - 1968.5mm (47.25" - 77.5")
Tripod Leg Diameter:	50.8mm (2") Steel tripod with graduated markings on lower section
Latitude adjustment range:	3° - 65°
Mount Head Weight:	44 lbs (20 kg)
Accessory Tray:	Yes
Tripod Weight:	19.2 lbs (8.7 kg)
Weight of Counterweights:	2 x 11 lbs
Slew Speeds:	9 slew speeds - max speed 4°/second
Tracking Rates:	Sidereal, Solar and Lunar
Tracking Modes:	EQ North and EQ South
GPS:	N/A
Dovetail Compatibility:	Dual saddle plates (CG-5 and CGE saddle)
Number of Auxiliary Ports:	2 AUX Ports (Hand Control can use either AUX Port)
Autoguide Port:	Yes
USB Port:	Yes, input for Mount and Hand Control
Power Requirements:	12V DC, 4 amps
Motor Drive:	DC servo motors
Alignment Procedures:	2-Star Align, 1-Star Align, Solar System Align, Last Alignment, Quick Align
Periodic Error Correction:	Yes
Computerized Hand Control:	2 line x 18 character backlit Liquid Crystal Display, 19 LED backlit buttons, USB 2.0 Port for PC connection
NexStar+ Database:	40,000+ objects, 100 user defined programmable objects. Enhanced information on over 200 objects
Software:	CPWI Telescope Control Software, Celestron Starry Night Special Edition Software, and SkyPortal App
Total Kit Weight:	99.2 lbs (45 kg)
Included Items:	CGX Equatorial Head CGX Tripod Accessory Tray 2 x 11 lbs counterweights NexStar+ Hand Control 8mm Allen Wrench 12V DC Power Cable Hand Control Holster
Solar Warning	Never look directly at the Sun with the naked eye or with an optic (unless you have the proper solar filter). Permanent and irreversible eye damage may result. Never use your optic to project an image of the Sun onto any surface. Internal heat build-up can damage the optic and any accessories attached to it. Never leave your optic unsupervised. Make sure an adult who is familiar with the correct operating procedures is with your optic at all times, especially when children are present.
California Residents	WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

Software and Documentation

MANUALS:
CGX Mount Manual
EdgeHD Optics Manual
Whitepaper EdgeHD Optics
NexStar Plus Hand Control Manual
SOFTWARE & FIRMWARE:
CPWI Software
Celestron Firmware Manager (CFM) Software
Periodic Error Correction Tool (PECTool)
DRAWINGS:
CGX 800 SCT & EdgeHD Dimensional Drawing
8" EdgeHD Optical Tube Assembly Dimensional Drawing
OTHER PRODUCT FILES:
Adapter to Pier Info Guide
SCT & EdgeHD Collimation Guide
How to Align a Red Dot Finder to Your Telescope Video
Solar Safety Warning
What are the Sizes of Collimation Screws
Celestron NexStar+ Hand Control Troubleshooting Guide

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Celestron CGX 800 EdgeHD

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