Celestron C9.25 XLT Optical Tube Assembly - CG5 / Vixen / Sky-Watcher
 Celestron C9.25 XLT Optical Tube Assembly - CG5 / Vixen / Sky-WatcherCelestron C9.25 XLT Optical Tube Assembly - CG5 / Vixen / Sky-Watcher 

Celestron C9.25 XLT Optical Tube Assembly - CG5 / Vixen / Sky-Watcher

Now: £1,354.00 (Save:  £190.00) Was:  £1,544.00
  (1 Review)
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About this product

Model:  c9.25xltota-1
Part Number:  91025-XLT

Generally accepted as the jewel in Celestron's SCT crown. 

"On our first night out, we couldn't resist a peek at an old friend, the Orion Nebula, M42. Using the supplied 24mm eyepiece gave us 98x magnification [now supplied with 25mm / 94x]. The nebula's bright core practically filled the view, bumpy, mottled and full of detail. At it's heart, the main stars of the Trapezium cluster were beautifully split. 
To be fair, the central portion of M42 is an easy target. Less the dimming tendrils of glowing gas that arc away from it. They were fascinating to follow and extended for quite some distance. We also liked the view of M42's fainter neighbour, De Mairan's Nebula, M43. It's classic comma shape was easy to see thanks to the contrast delivered by the C9.25's Starbright/XLT-coated optics."
Pete Lawrence writing for BBC Sky at Night Magazine

The 9 1/4" was specifically designed for visual infinity focus when using 2" eyepieces and has an optimized baffle system to benefit astrophotography by minimizing vignetting at the edge of the field of view. Its longer primary focal length and lower magnification secondary mirror contribute to a flatter field of view at the focal plane and helps to further reduce optical aberrations. 

Latest specification including Fastar/Hyperstar Compatibility.

This C9 1/4 optical system also includes StarBright® XLT coatings.

This version of the OTA is supplied with the CGX / Vixen / Sky-Watcher style dovetail.

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



Optical Design: Schmidt-Cassegrain
Aperture: 234.95 mm (9.25 in)
Focal Length: 2350 mm (92.52 in)
Focal Ratio: 10
Finderscope: 6x30
Optical Tube: Aluminum
Eyepiece 1: 25 mm (0.98 in)
Magnification 1: 94 x
Star Diagonal: 1.25
Optical Coatings: StarBright / XLT
Secondary Mirror Obstruction: 3.35 in (85.09 mm)
Secondary Mirror Obstruction by Area: 13.1 %
Secondary Mirror Obstruction by Diameter: 36.2 %
Optical Tube Length: 22 in (558.8 mm)
Optical Tube Weight: 20 lb (9.07 kg)

Customer reviews

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Celestron C9.25 XLT
Sunday, 5 April 2015  | 

I was not sure if I would by the C9.25 XLT telescope, I was thinking of getting a 6 inch refractor for planetary imaging, but when I saw a friends images from a C9.25, I soon changed my mind, its a superb telescope for visual as well as imaging, pinpoint sharp images of Jupiter, and the Moon amazing, the telescope is well worth the money you are paying.


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