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Description
Celestron CGX 925 Overview
- 1Description
- 2Celestron C9 1/4-A XLT 9.25" f/10 Schmidt-Cassegrain Telescope (OTA Only, CGEM Dovetail)
- 3Celestron CGX GoTo EQ Mount Head
- 4Celestron CGX Tripod with Counterweights
The CGX Equatorial 925 9.25" f/10 Schmidt-Cassegrain GoTo Telescope features Celestron's premium StarBright XLT coated optics and the 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" of aperture and Celestron's premium StarBright XLT coatings, the CGX 925 gives you over 1000 times more light gathering power than the unaided eye.
Outfitted with a large aperture, long effective focal length, and their proprietary StarBright XLT optical coatings, the Celestron C9 1/4-A XLT 9.25" f/10 Schmidt-Cassegrain Telescope provides power and portability. The coating system consists of anti-reflection coatings on the corrector plate, highly reflective index mirror coatings, and low-absorption/high-transmission glass components to ensure that the maximum amount of light is gathered and transmitted to your eye. This system ensures bright and clear high-contrast images with accurate color rendition across the entire visual spectrum without visible distortion at the edges. Celestron includes a standard 1.25" visual back to accept eyepieces and accessories such as the 25mm eyepiece and 90° diagonal supplied with the optical tube assembly (OTA). This OTA is offered here without a mount or tripod for users who already have a support system. Just ensure the mount's payload capacity exceeds 20 pounds to safely carry the weight and that the mount has a Losmandy-style saddle to match the OTA's CGEM mounting plate.
- 9.25" (235mm) aperture
- f/10 focal ratio
- 2350mm effective focal length
- Schmidt-Cassegrain design optical path
- StarBright XLT optical coatings
- Resolution: 0.59 arcsec (Rayleigh); 0.49 arcsec (Dawes)
- Secondary mirror obstruction: 3.35" (85mm); 36% by diameter; 13% by area
- Maximizes light transmission through the 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
- Optical tube only; a mount and tripod are required for proper use
- Comes with an attached CGEM dovetail plate, which is compatible with all Celestron and select third-party saddles; the plate can be unscrewed
- Mount must have a payload capacity of over 20 lb to safely support the OTA
- Standard threads for Schmidt-Cassegrain telescope optical tubes
- 1.25" eyepiece holder accepts 1.25" eyepieces and accessories
?Eyepiece:
- 1.25" diameter barrel
- Accepts most 1.25" astronomical filters
- 25mm focal length produces 94x magnification
Diagonal:
- 1.25" diameter barrel
- 90° angle places the head in a comfortable viewing position when the scope is aimed at or near the zenith
- Star diagonal corrects view horizontally, but not vertically
Finderscope:
- 6x magnification
- 30mm aperture
- Mounting bracket included
Celestron's CGX GoTo EQ Mount Head improves on their venerable CGEM platform to provide users with a heavy-duty research-quality mount for large optical tube assemblies (OTAs), accessories, and imaging rigs. Engineered to carry a 55-pound payload, it has high-torque motors and heavy-duty belt-drive system to improve tracking stability and reduce backlash which enable it 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.
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 user-defined objects and filters for custom 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 for new users and experienced stargazers.
- German equatorial mount, when properly polar aligned, provides precise tracking on the Right Ascension axis allows the optical tube to follow objects without field rotation�making it ideal for astrophotography and imaging
- 55 lb payload capacity
- 3 to 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
- 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
- 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
- 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
- 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
Designed to support their CGX equatorial mount, the Celestron CGX Tripod has large 2" diameter legs to provide a solid and sturdy platform for the mount head plus an optical tube assembly and accessories. To accommodate a variety of users, optical tube styles, and viewing positions, the legs can adjust from 47.25 to 77.5" and terminate with spikes to provide solid footing. Graduated markings on the lower leg sections enable you to accurately repeat settings, saving setup and leveling time if you observe from the same location every night. Adding greater stability and vibration suppression, the center accessory tray acts as a leg spreader to lock them in-place while providing a convenient place to keep eyepieces, filters, or your phone safe and close to hand. Two 11-pound counterweights come in the box to assist in properly balancing your OTA on the mount head.
In the Box
- Celestron C9 1/4-A XLT 9.25" f/10 Schmidt-Cassegrain Telescope (OTA Only, CGEM Dovetail)
- 25mm Eyepiece
- 1.25" 90° Diagonal
- SCT Visual Back
- 6x30mm Finderscope
- Celestron CGX GoTo EQ Mount Head
- Celestron NexStar+ Hand Control (EQ)
- Counterweight Shaft
- 12 VDC Car/Vehicle Power Adapter
- Limited 2-Year Warranty
- Celestron CGX Tripod with Counterweights
- 2 x Celestron 11 lb Counterweight for the CGEM EQ Mount
- Accessory Tray
- Limited 2-Year Warranty
- Description
- Celestron C9 1/4-A XLT 9.25" f/10 Schmidt-Cassegrain Telescope (OTA Only, CGEM Dovetail)
- Celestron CGX GoTo EQ Mount Head
- Celestron CGX Tripod with Counterweights
Celestron C9 1/4-A XLT 9.25" f/10 Schmidt-Cassegrain Telescope (OTA Only, CGEM Dovetail) Specs
| Optical Design | Schmidt-Cassegrain |
| Aperture | 9.25" / 234.95 mm |
| Focal Length | 2350mm |
| Focal Ratio | f/10 |
| Eyepiece Barrel Diameter | 1.25" / 31.7 mm |
| Diagonal | 90° Star 1.25" / 31.7 mm Barrel |
| Finderscope | 6x30 mm |
| Tripod | None |
| Mount Type | CGEM Dovetail Plate |
| Power Source | None |
| Optical Tube Length | 22" / 55.9 cm |
| Weight | 20 lb / 9.11 kg |
| Package Weight | 29.45 lb |
| Box Dimensions (LxWxH) | 29 x 18 x 16" |
Celestron CGX GoTo EQ Mount Head Specs
| Mount Type | Motorized; German Equatorial Dual Fork |
| GoTo Capability | Yes, NexStar+ Hand Controller |
| Payload Capacity | 55 lb / 24.9 kg |
| Motor | Dual Axis |
| Tracking Rates | Lunar, Sidereal, Solar |
| Latitude Adjustment | 3 to 65° |
| Polar Axis Scope | None |
| Power Source | Vehicle Adapter (Included) |
| DC Input Power | 12 VDC |
| Mounting | To Optical Tube Assembly: Dual Losmandy-/Vixen-Type Saddle |
| GPS | No |
| Wi-Fi | No |
| Dimensions | Not Specified by Manufacturer |
| Weight | 44 lb / 20 kg (Mount) |
| Package Weight | 57.1 lb |
| Box Dimensions (LxWxH) | 27.13 x 21.25 x 14.5" |
Celestron CGX Tripod with Counterweights Specs
| Minimum Height | 47.25" / 1200.15 mm |
| Maximum Height | 77.5" / 1968.5 mm |
| Material of Construction | Stainless Steel |
| Leg Diameter | 2.0" / 50.8 mm |
| Weight | 19.2 lb / 8.7 kg |
| Package Weight | 48.55 lb |
| Box Dimensions (LxWxH) | 46 x 13.11 x 12.69" |
Celestron CGX 925 Reviews
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Bulk Discount
| Quantity | Price |
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| 3-5 | ₹ 636950.5 |
| 5-10 | ₹ 623817.5 |
| 10+ | ₹ 610684.5 |
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