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Celestron Advanced C9.25-SGT

Celestron Advanced C9.25-SGT

Product ID: [56715 / 65209]
Advanced Schmidt-Cassegrain telescope with excellent lenses
  • 235mm primary mirror
  • Schmidt-Cassegrain design
  • Mirrors feature unique Celestron StarBright Coating
  • Great for astrophotography
  • Fully computer-controlled with GoTo
  • Good construction and finish
£1,495.00Stock: In stock
Estimated delivery date: Friday 25 May 2012
Request a quote (minimum 2 pieces)

Celestron Advanced C9.25-SGT
The Celestron Advanced C9.25 telescope offers unparalleled quality optics at a very reasonable price. The telescope is the big brother of the legendary Celestron C8, one of the best-selling telescopes in the Celestron range. The C9.25 is similar to the C8 in many respects; however, in the Advanced 9.25 everything is bigger and better. The primary mirror has a diameter of 235mm so the mirror captures a lot of light which makes weak celestial objects very brightly visible. With its focal length of 2350mm very high magnifications are possible. This makes the telescope ideally suited for deep-sky observations. The telescope is very easy to set up and use. Below you will find more information about the properties of the Celestron Advanced C9.25-SGT.

Eyepiece
By default, the C9.25-SGT is delivered with a 25mm eyepiece. In combination with the focal length this gives a magnification of 94 times. This eyepiece fits into the 1.25 inch eyepiece fitting of the telescope; the eyepiece can also be used on other telescopes with a similar eyepiece fitting. Use eyepieces of different sizes to obtain other magnifications.

StarBright Coating
The mirrors in the telescope have the unique Celestron Starbright coating. This coating makes the mirror as strong and effective as possible. The coating consists of several layers; Celestron used aluminium, titanium and magnesium as main ingredients. Thanks to the use of these materials, the mirrors are more even and light gain is up to 40 percent higher than without this coating.

GoTo functionality
The telescope and mount are equipped with a full GoTo system. With this very useful system, the telescope will automatically find celestial objects for you. In the system 40.000 celestial objects are pre-programmed which makes watching with this telescope easier and a lot of fun. The GoTo features the Celestron SkyAlign alignment technology; this will align the telescope in very quickly. It is also possible to find celestial bodies yourself and save them for next time so you can focus on these objects. The GoTo system provides detailed information on the 200 most-viewed celestial bodies. The GoTo functionality is easy to operate by a remote control with LCD display.

Tripod
By default, an equatorial tripod with stainless steel legs is included with the telescope. The included tripod is the Celestron CG-5; this tripod is made after a German design and therefore very solid. The tripod and mount weigh about 19kg. Due to this high weight the tripod is very stable. However, the tripod weight makes it somewhat difficult to quickly move the telescope.

Additional information
This Celestron telescope comes with a CD-ROM with software containing comprehensive information about the stars and various celestial bodies. It also includes printable maps of the sky. The telescope itself can be connected to a computer through the communication port.

The Celestron Advanced C9.25-SGT at a glance

  • 235mm objective with StarBright coating
  • GoTo with over 40.000 pre-programmed objects
  • Expandable with GPS (optional)
  • Provided with a Star Diagonal (erecting eyepiece)
  • Free CD-Rom with 'the Sky'' software'
  • Fitted with a 6x30 finderscope
  • Equatorial tripod with 2'' thick steel legs

Astrophotography
With the right camera adapter and T2 ring the Celestron Advanced C9.25-SGT is ideal for astrophotography. Below are some images created using this telescope.


Image of Saturn with the bright rings clearly visible


Pleiades

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Specifications Back to top
General
 TypeCatadioptric
 BrandCelestron
 SeriesAdvanced
 Guarantee2 years
 GoTo system
 Tripod materialStainless steel
 MountingParallactic/Equatorial
 Power supply12V DC
 Tracking motor
 Slow motion controlsElectric RA and DEC
General functions
 GPS
Dimensions & Weight
 Weight14,08 kg
Optics
 Objective diameter ø235 mm
 CoatingStarBright XLT coating
 ConstructionSchmidt-Cassegrain
 Focal length2350 mm
 Primary mirrorParabolic
 Diameter secondary mirror85,09 mm
 Obstruction percentage13,1%
 Primary mirror diameter235 mm
 Magnitude limit9,5 mag.
 Resolving power0,5 arcsecond
 Maximum useful magnification470×
 Focal ratio1 : 10
Accessories
 Other accessories
  • Astro software
  • Erecting eyepiece
 Eyepiece diameter ø1,25″
 Eyepieces25mm
 Number of eyepieces1 pc.
 Viewfinder6x30
 Counterweight5 kg
GoTo
 Hemisphere operationNorthern and Southern
 Autostar objects40000 objects
 Slew speeds3°/sec
 Tracking speeds
  • moon
  • sidereal
  • solar
Ratings
 Suitable foradvanced users
 Easy to transport5
 Easy to set up7
 Easy to use9
 Lunar/planetary observation8
 Deep space observation9
 Lunar/planetary photography8
 Deep space photography9
 Daytime terrestrial observation2
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