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Telescopes > Celestron > CGX > Celestron Schmidt-Cassegrain telescope SC 203/2032 CGX 800 GoTo
Product no.: 52295

Schmidt-Cassegrain telescope SC 203/2032 CGX 800 GoTo

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Product description

More about the series CGX...

The Schmidt-Cassegrain optics by Celestron:

Despite the long focal length of these telescopes, the OTA itself has a very short length, making the system a compact telescope which is extremely easy to transport. Light first hits an aspherically figured Schmidt corrector plate and is then thrown onto a spherical main mirror. This reflects the light back up, throwing it onto a secondary mirror which subsequently throws it back in the direction of main mirror. The light then passes through a central hole in the main mirror and into the focuser at the bottom of the OTA. Thus the system is closed and hence does not suffer from air turbulence which could degrade the image. Of course this also means that the system is optimally protected from dust. The Schmidt plate is multi-coated, ensuring bright images which do not suffer from stray light reflections.

This telescope provides a very good image, boasting high contrast and definition and provides a lot of pleasure when planetary observing. The Schmidt-Cassegrain design provides a good all-round system suitable for both observing and astrophotography and with an enormous range of optional accessories available. Using the bottom end of the OTA to look through means easy orientation. The system is also optimal for occasional terrestrial observing, e.g. birdwatching at close range. Celestron SC telescopes have an aperture ratio of around 1:10 which, so astrophotography is also very easily possible.

Main mirror focusing means a very large range of focus is made available, which allows virtually any common accessory to be used. Two pre-loaded ball bearings are used in the main mirror focus positioning mechanism in order to prevent 'mirror shift' - a typical problem when using simple bushings. The use of high quality materials such as CNC-milled aluminium components, cast steel and stainless steel guarantees extreme robustness with low weight. This means that a very heavy mount is unnecessary, not always the case for other telescope designs.

Features of the optics:

  • long focal length with short OTA
  • low weight aluminium OTA
  • high quality XLT multi-coating
  • closed system
  • pre-loaded ball bearings for low mirror shift main mirror focusing

CGX Equatorial Mount and Tripod:

For eight years, 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.

All-new design:

  • Sturdier and more rigid with quicker dampening time
  • 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
  • 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
  • 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

New improved tripod:

  • 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
  • Tripod legs can be collapsed with accessory tray installed for faster setup and transport

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)

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.

Control software from PlaneWave Instruments for Celestron's CGX and CGX-L mounts:

PWI Telescope Control opens up the full precision of these mounts. A USB connection from the mount to your PC means the Sky Viewer display makes it easy to find targets. Or you can search for your targets in the extensive object database. PWI also has a connection to the SIMBAD astronomical online database for even more astronomical objects.

PWI uses PointXP Mount Modelling - providing numerous reference stars for the highest accuracy possible. PointXP (also used in the StarSense AutoAlign module) offers more accuracy than a classic hand control box. By using numerous reference stars, PWI can accommodate multiple alignment errors, including device deflection - as a result, GoTo accuracy is increased.

Features of PWI software

  • PointXP Mount Modelling, accepts as many reference stars as you want.
  • developed by Celestron in partnership with PlaneWave Instruments
  • future updates will include additional features and enhancements
  • Sky Viewer Star chart for easy location of astronomical objects
  • extensive object database, including online database

The software runs on Windows 7, 8 and 10. You can download it via the Downloads tab. You will also find an English-language manual in PDF format available there.

It not only matters which telescope you buy but also where you buy it. Our additional services:

  • We are a leading telescope dealer and know the devices we sell. Our customer service team will gladly help you after your purchase if you have problems with assembly or operation.
  • We provide a copy of the 80-page Telescope ABC beginners handbook with every telescope.
  • We also provide an edition of the exciting astronomy magazine, “Sterne und Weltraum” with each telescope.

Specifications

Optics


Type
Reflector
Type of build
Schmidt-Cassegrain
Aperture (mm)
203
Focal length (mm)
2032
Aperture ratio (f/)
10
Resolving capacity
0,57
Limit value (mag)
13,3
Light gathering capacity
840
Max. useful magnification
410
Coating
Starbright XLT
Tube material
Aluminium
Tube length (mm)
432
Tube weight (kg)
5,7
Tube construction
Full tube

Reflector


Secondary mirror obstruction
31
Secondary mirror diameter (mm)
64
Ventilation for central mirror
no
Main mirror´s construction
spherical
secondary mirror design
spherical
corrector plate coatings
Starbright XLT

Focuser


Gear reduction
without
Connection ( to eyepiece)
1,25"
Connecting thread (telescope side)
SC
Type of build
SC thread

Mount


Weight (kg)
20
GoTo control
yes
Type of build
CGX
Encoder
yes
Mounting type
Equatorial
Load capacity (kg)
25
Polar elevation setting (°)
3 - 65
Power supply
12
Cable-guide
internal
Motors
Servomotors
Mounting saddle
Losmandy & Vixen

GoTo control


GPS
optional
Software
Nexstar+
Interfaces
2x Aux, USB 2.0, Autoguider
Database
40.000
Tracking speeds
sideral, solar and lunar
GoTo Language
German, English, French, Spanish, Italian
PEC correction
yes
Polar Alignment
All-Star Polar Alignment
WIFI
optional
Remote
Celestron PWI

Tripod


Tripod leg diameter (mm)
51
Type
Tripod
Material
Steel
Weight (kg)
8,7
Accessory plate
yes

Included accessories


Prism rail
Losmandy-Style
Counterweights (kg)
2x 5
1.25'' eyepieces
25mm
Deviating optics
1.25", 90° star diagonal
Eyepiece adaptor
1,25"-SC
Finder scope
6x30

General


Series
CGX

Area of application


Astrophotography
yes
Moon & Planets
yes (very good)
Nature Observation
no
Nebulae & galaxies
yes
Sun
no (Only with appropriate Sun filter)

Recommended for


Beginners
yes
Advanced
yes
Observatories
no

Recommended accessories

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Baader 2'' ClickLock SC clamp

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Media (3)

John Wiley & Sons Astronomy For Dummies

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Outdoor > Lamps (3)
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Explore Scientific Astronomy torch Astro R-Lite

$ 18.90*
Outdoor > Other (1)

Omegon aluminium case, large

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Astronomy (2)
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Globes & Maps (1)
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Solar Observation (1)
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Maintenance & Cleaning > Lens cleaners (4)

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Maintenance & Cleaning > Other (2)

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*All prices include VAT plus shipping costs.

Celestron Schmidt-Cassegrain telescope SC 203/2032 CGX 800 GoTo
Toothed belt drive

Celestron Schmidt-Cassegrain telescope SC 203/2032 CGX 800 GoTo
Convenient carrying handle

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