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CGX Equatorial 925 Schmidt-Cassegrain Telescope



DESCRIPTION

The CGX 925 Schmidt-Cassegrain Telescope features Celestron’s premium StarBright XLT coated optics and the all-new state of the art CGX computerized equatorial mount. The CGX 925 offers the middle ground for those looking to combine portability with high resolution.  This telescope is especially at home as a solid platform for long exposure photography with optional CCD cameras or photographic equipment.  With over 9 inches of aperture and our premium StarBright XLT coatings, the CGX 925 gives you over 1000 times the light gathering power than the unaided eye.

CGX MOUNT

Celestron’s workhorse CGEM mount lineup has been the German Equatorial backbone for telescopes ranging from 6 to 11 inches of aperture. Since that time, many more astro-imagers and planetarium controlled setups have emerged as backyard telescope technology has evolved. Celestron’s engineering team applied their years of experience designing German Equatorial mounts to the all-new CGX EQ, a culmination of all the advancements made to our technologies, value, and ease-of-use.

The new CGX was designed to better support your telescope for both visual and astro-imaging pursuits.  Key design goals included a lower profile EQ head, which provides a more compact and therefore more stable setup; a better drive system; remote operation-friendly with home and limit optical sensors; easier polar alignment adjustments; and better cable management. In addition to that, we’ve made mechanical and ergonomic improvements throughout to make the mount sturdier, easier to use, and transport. The CGX is our new Equatorial backbone to support a wide range of telescopes.

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 Celestron's Warranty page.

OVERVIEW

GENERAL FEATURES

  • 9.25" Schmidt-Cassegrain Optical Tube Assembly
  • Aluminum Optical Tube
  • Celestron's premium StarBright XLT coatings
  • 2350 mm focal length (f/10)
  • 25 mm eyepiece included (94x)
  • Visual back allows for use with 1.25" accessories
  • 6x30 finderscope to help accurately find objects
  • Star diagonal provides more comfortable viewing position when observing objects that are high in the sky
  • Includes dovetail rail compatible with CGE mount

COMPUTERIZED MOUNT FEATURES

  • All-new design. Sturdier and more rigid with quicker dampening time
  • Increased load capacity to 55 lbs.
  • Improved motors provide more torque, better slewing and tracking under heavy loads
  • Heavy Duty belt-drive system minimizes backlash while providing smooth motor operation under heavy loads 
  • 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 accessory ports remain stationary while the mount slews to avoid snags
  • Internal hard stops for both axes prevents 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
  • Brand new control software developed in conjunction with PlaneWare Instruments for professional level control operation and imaging
  • Software includes multi-point mount modeling for extremely precise pointing accuracy and many more additional features for remote astroimaging
  • Wider tripod stance for improved stability
  • Adjustable EQ head position to optimize center of gravity over the tripod and fully utilize the increased 3º-65º latitude range
  • Dual-fit CG-5/Vixen and CGE/Losmandy dovetail saddle

IMPROVED TRIPOD INCLUDES:

  • 2" steel legs with height index marks for quick leveling
  • "Jack of all trays" can hold three 1.25" eyepieces, two 2" eyepieces, your smartphone, or other accessories
  • +20º of additional tracking past the meridian on either side
  • Tripod legs can be collapsed with accessory tray installed for faster setup and transport

IMPROVED ERGONOMICS:

  • Two handles for easy pickup and transport
  • All-new ergonomically designed dovetail clamping knobs
  • Innovative and improved polar alignment adjustment system
  • All-new ergonomic latitude adjuster for smooth and easy adjustment under full loads
  • Optional add-on polar axis finderscope - coming soon

ELECTRONICS:

  • All-new NexStar+ hand control with USB port
  • Two AUX accessory ports to support wireless/WiFi alignment and operation with StarSense AutoAlign and SkyPortal WiFi Module accessories (sold separately)
  • USB 2.0 port, used to connect directly to PC with included software
  • Autoguider port
  • PPEC ready
  • Threaded 12VDC power input barrel connector
  • Internal Real Time Clock (keeps time and site information saved)

 

Optical Tube

Optical Design

Schmidt-Cassegrain

Aperture (mm)

234.95 mm (9.25 in)

Focal Length

2350 mm (93 in)

Focal Ratio

10

Focal Length of Eyepiece 1 (mm)

25 mm (0.98 in)

Magnification of Eyepiece 1

94x

Finderscope

6x30

Star Diagonal

1.25

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

20 lbs. (9.07 kg)

Dovetail Compatibility

CGE Mount

Mount

Mount

German Equatorial Mount

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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