Celestron CGX Equatorial 925 Schmidt-Cassegrain Telescope

£3,525.00

  • Celestron 9.25″ SCT and CGX computerised equatorial mount package
  • 9.25″ Schmidt-Cassegrain Optical Tube Assembly
  • Celestron’s premium StarBright XLT coatings
  • Aluminium Optical Tube
  • 2350mm focal length (f/10)
  • The CGX, with its 55 lb. load capacity, is Celestron’s most innovative, state-of-the art, computerised equatorial mount to date, and provides a very sturdy and rigid platform.
  • The drive system utilises low cog DC Servo motors with integrated optical encoders, belt and pulley motor connection, spring-loaded steel worm gears supported by precision sealed bearings, and brass worm wheels for smooth, accurate slewing and tracking performance with little backlash.
  • Fully remote imaging capable, with optical limit switches, home sensors, through-mount cabling, and hard stops.
  • Included Celestron PWI software allows direct computer control via USB 2.0 connection.
  • Proven NexStar+ computerised telescope control technology supports functions to address imagers’ needs, such as All-Star Polar Alignment, Permanent Periodic Error Correction (PPEC), and adjustable tracking through meridian.
CPWIAll-Star Polar AlignmentNexRemoteStarry NightStarbright XLT Coatings
Category: SKU: 12051 Tag:

Description

This 9.25″ aperture optical tube assembly (OTA) is one the most popular size of Celestron’s Schmidt-Cassegrain range and also one its most well regarded too. The telescope is not too large or too heavy to handle meaning that it can be used on a wide range of popular mid-range mounts. The C9.25 features Celestron’s StarBright XLT coatings on the corrector plate for maximum light transmission. The telescope has a 2350mm focal length (f/10) making it a good overall performer on a range of celestial objects.

The telescope comes with a star diagonal for more comfortable viewing of high altitude objects and a 25mm Plossl eyepiece which gives 94x magnification. A 6×30 finderscope to help locate objects completes the package.

The Celestron CGX Equatorial mount has been designed from the ground up to provide a solid and accurate platform for your telescope for both visual and astro-imaging requirements. The mount has a number of new and innovative features including a lower profile EQ head, which provides a more compact and stable mount; a better drive system; home and limit optical sensors with internal hard stops making it more remote operation-friendly; internal cable management.

In addition Celestron have made mechanical and ergonomic improvements too. These include conveniently located mount carrying handles to make transport and mounting (and removing) the mount on/off the tripod easier. There are also large latitude and dovetail clamp adjustment knobs to make the CGX easier to set up with your telescope.

The mount can be controlled with software developed in conjunction with PlaneWave Instruments – called CPWI – and is supplied free with the mount. CPWI uses advance PointXP mount modelling that allows you to add 100+ points to an alignment model for the mount set up, for the most accurate pointing and tracking possible for your Celestron telescope. The software also features an All-Star Polar Alignment routine, motor focus control and plate solving.

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Specifications
OPTICAL TUBE INFO:
Optical DesignSchmidt-Cassegrain
Aperture235mm (9.25″)
Focal Length2350mm (93″)
Focal Ratiof/10
Focal Length of Eyepiece 125mm (.98″)
Magnification of Eyepiece 194x
Finderscope6×30
Star Diagonal1.25″ Star Diagonal
Optical TubeAluminium
Highest Useful Magnification555x
Lowest Useful Magnification34x
Limiting Stellar Magnitude14.4
Resolution (Rayleigh)0.59 arc seconds
Resolution (Dawes)0.49 arc seconds
Light Gathering Power (Compared to human eye)1127x
Secondary Mirror Obstruction85mm (3.35″)
Secondary Mirror Obstruction by Diameter36%
Secondary Mirror Obstruction by Area13%
Optical CoatingsStarBright XLT
Optical Tube Length559mm (22″)
Optical Tube Diameter271.78mm (10.7″)
Optical Tube Weight20 lbs (9.07 kg)
DovetailCGE Dovetail Bar
MOUNT INFO:
Mount TypeComputerised Equatorial
Instrument load capacity55 lbs (25 kg)
Height adjustment range (includes mount and tripod)1200.15mm – 1968.5mm (47.25″ – 77.5″)
Tripod Leg Diameter50.8mm (2″) Steel tripod with graduated markings on lower section
Latitude adjustment range3° – 65°
Mount Head Weight44 lbs (20 kg)
Accessory TrayYes
Tripod Weight19.2 lbs (8.7 kg)
Weight of Counterweights2 x 11 lbs
Slew Speeds9 slew speeds – max speed 4°/second
Tracking RatesSidereal, Solar and Lunar
Tracking ModesEQ North & EQ South
GPSN/A
Dovetail CompatibilityDual saddle plates (Vixen and CGE saddle)
Number of Auxiliary ports2 Aux ports (Hand Control can use either Aux port)
Autoguide portYes
USB PortYes, input for Mount and Hand Control
Power Requirements12V DC, 4 amps
Motor DriveDC servo motors
Alignment Procedures2-Star Align, 1-Star Align, Solar System Align, Last Alignment, Quick Align
Periodic Error CorrectionYes
Computerised Hand Control2 line x 18 character backlit Liquid Crystal Display, 19 LED backlit buttons, USB 2.0 port for PC connection
NexStar+ Database40,000+ objects, 100 user defined programmable objects. Enhanced information on over 200 objects
SoftwarePWI Telescope Control Software, Celestron’s Starry Night Special Edition Software, SkyPortal App
Total Kit Weight105.2 lbs (47.71 kg)
Included ItemsCGX Equatorial Head | CGX Tripod | Accessory Tray | 2 x 11 lbs counterweights | NexStar+ Hand Control | 8mm Allen Wrench | 12V DC Power Cable | Hand Control Holster
Downloads

Schmidt-Cassegrain Optics Manual

CGX Mount Manual

Adapter to Pier Info Guide

Celestron PWI Telescope Control Software Instruction Manual

Celestron Firmware Manager (CFM) Software

CPWI Software

Additional information

Weight61.881 kg
Aperture

Mount

Optical Design

Series

Celestron Technology

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