CGX-L Equatorial 925 HD Telescopes (12075) Celestron

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Overview

Celestron’s newly designed CGX-L Computerized Equatorial mount is the latest addition to our fully computerized equatorial mount series.  Capable of carrying  Celestron’s largest optical tubes with ease, CGX-L is designed for backyard observatories and remote imagers looking for exceptional load capacity to weight ratio, compact design, and innovative features that fully support large telescopes, imaging kits, and the latest in wireless tech accessories.

Key design goals included larger 144 mm diameter worm wheels which provide smoother operation and can more accurately drive heavier loads, longer 270 mm dovetail saddle to support larger optical tubes, remote operation friendly features such as home and limit optical sensors, easier polar alignment adjustments, and better cable management overall. In addition to that, we’ve made mechanical and ergonomic improvements throughout to make the mount sturdier, easier to use, and easier to transport.  COMPACT.  ERGONOMIC.  INNOVATIVE.

Description

GENERAL FEATURES

• 9.25″ HD Optical Tube Assembly
• CGX-L EQ Mount and Tripod
• Celestron’s premium StarBright XLT coatings provide maximum light transmission
• A 9×50 finderscope, 2” mirror diagonal for more comfortable viewing, and wide-angle 23 mm Luminos 2″ eyepiece are all included

HD FEATURES

• Experience our best optical performance with EdgeHD’s flat-field and coma-free 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 2 focal ratios: native f/10 or ultra-fast f/2 imaging with a removable secondary mirror and third-party accessories

COMPUTERIZED MOUNT FEATURES:

NEW CGX-L FEATURES

Increased 75 lb load capacity.  Exceptional load capacity to weight ratio

Additional Aux accessory ports and autoguider port on the Dec axis for better cable management

Larger 144 mm diameter worm wheels to better and more accurately drive heavier loads

Longer 270 mm dovetail saddle to better support larger optical tubes

Massive 70 mm stainless steel tripod legs with a wider stance for improved stability under heavy loads

New accessory tray holds three 1.25” and two 2” eyepieces with an upright stand for your smartphone or tablet

Heavy duty, 31.5 mm stainless steel counterweight shaft to support additional counterweights

Optional add-on polar axis finderscope custom designed for CGX and CGX-L

Supports WiFi and wireless operation accessories such as StarSense AutoAlign and SkyPortal WiFi Module (sold separately)

MOUNT FEATURES:

• Compact, lower profile equatorial head provides improved stability and portability. Sturdier and more rigid with quicker dampening time
• Improved motors provide more torque, better slewing and tracking under heavy loads
• Heavy duty belt-drive system minimizes backlash while providing smooth motor operation at full capacity
• Clear windows built into motor covers so pulleys and belts can be monitored
• Spring-loaded brass worm wheel and stainless steel worm gear reduce friction and provide optimum gear mesh
• Internal cabling for worry-free remote operation. Power input and lower accessory ports remain stationary while the mount slews to avoid snags
• Internal hard stops for both axes prevent cable tension and tripod strike
• Internal optical sensors on both axes for simple and safe remote operation
• -Home sensors allow the mount to always start in the index position regardless of orientation before a power reset
• -Limit sensors automatically shut off slewing or tracking before reaching the hard stop fail safe
• Includes Celestron’s new PWI telescope control software, co-developed by PlaneWave Instruments.  Software features multi-point mount modeling for extremely precise pointing accuracy
• Software Polar Align: “All-Star Polar Alignment” allows quick and very precise polar alignment. Align on any bright named star without extra polar alignment accessories, apps, or other assistance
• Adjustable EQ head position to optimize center of gravity over the tripod and fully utilize the increased 3º-65º latitude range
• Dual-fit Vixen/CG-5 and Losmandy/CGE dovetail saddle
• +20º of additional tracking past the meridian on either side
• Redesigned tripod has a widened stance for added stability. The minimum tripod height has also been lowered per user feedback
• Tripod legs can be collapsed with accessory tray installed for faster setup and transport

IMPROVED ERGONOMICS:

• Integrated handles for easy transport and portability
• All-new ergonomically designed dovetail clamping knobs
• Innovative and improved polar alignment adjustment system
• All-new ergonomic adjustment knobs with reduced friction for smooth and easy positioning under full loads. Stationary latitude knob with a newly-designed linkage system greatly reduces the amount of friction when polar aligning the mount. Redesigned azimuth adjustment with low-friction Teflon bearings to make adjustments easy under full load.  No more binding, rough adjustments!
• Easy to read latitude scale

ELECTRONICS:

• NexStar+ hand control with USB port
• USB 2.0 port used to connect directly to PC with PWI Software
• 2 available autoguider ports for optimum cable management
• PEC sensor and PPEC ready
• Threaded 12VDC power input barrel connector
• Internal Real Time Clock (keeps time and site information saved)
• On/Off rocker switch with red LED

Product Overview

 

Specifications

Optical Tube Info:
Optical Design	EdgeHD
Aperture (mm)	234.95 mm (9.25 in)
Focal Length	2350 mm (93 in)
Focal Ratio	10
Focal Length of Eyepiece 1 (mm)	23 mm (0.91 in)
Magnification of Eyepiece 1	102x
Finderscope	9×50
Star Diagonal	2″ w/ 1.25″ adapter
Optical Tube	Aluminum
Highest Useful Magnification	555x
Lowest Useful Magnification	34x
Limiting Stellar Magnitude	14.4
Resolution (Rayleigh)	0.59 arc seconds
Resolution (Dawes)	0.49 arc seconds
Light Gathering Power (Compared to human eye)	1127x
Secondary Mirror Obstruction	3.35 in (85 mm)
Secondary Mirror Obstruction by Diameter	36%
Secondary Mirror Obstruction by Diameter	13%
Optical Coatings	StarBright XLT
Optical Tube Length	22 in (559 mm)
Optical Tube Weight	21 lb (9.53 kg)
Dovetail Compatibility	CGE Mount
Mount Info:
Mount	German Equatorial
Instrument load capacity	75 lb
Tripod height adjustment range	35.75” to 52.75”
Tripod leg diameter	2.75″
Latitude adjustment range	3º-65º
Tripod Weight	46.2 lb
EQ Head Weight	52.6 lb
Max Slew Speed	4º/second (3º/second is default)
Tracking Rates	Sidereal, Solar and Lunar
Number of Auxiliary ports (for hand control and accessories)	4
Autoguide port	Yes
USB Port	Yes
Software	PWI Telescope Control Software
Included Items
	CGX-L Equatorial Head
	CGX-L Tripod
	Accessory Tray
	1 x 22 lb Counterweight
	NexStar+ Hand Control
	DC Power Cable (plugs into cigarette lighter socket)
	8 mm Allen Wrench (contained in rear carry handle)

2-Year Warranty

For two years, Celestron will cover repairs or replacement of this product in cases of defective components. This warranty shall be void and of no force of effect in the event a covered product has been modified in design or function, or subjected to abuse, misuse, mishandling or unauthorized repair. Further, product malfunction or deterioration due to normal wear is not covered by this warranty. For more details, visit our Warranty page.