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Telescopes > Celestron > CGEM II > Celestron Teleskop Astrograph S 203/400 RASA 800 CGEM II GoTo
Product no.: 62859

Teleskop Astrograph S 203/400 RASA 800 CGEM II GoTo

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Product description

More about the series CGEM II...

Specifications

Optics

Type
Reflector
Type of build
Astrograph
Aperture (mm)
203
Focal length (mm)
400
Aperture ratio (f/)
2
Resolving capacity
0,68
Limit value (mag)
13,3
Light gathering capacity
843
Coating
Starbright XLT
Tube material
Aluminium
tube diameter (mm)
235
Tube length (mm)
628
Tube weight (kg)
7,9
Tube construction
Full tube

Reflector

Secondary mirror obstruction
46
Ventilation for central mirror
yes

Focuser

Gear reduction
without
Type of build
Linear Crayford
Backfocus (mm)
29 & 25

Mount

Mounting type
Equatorial
GoTo control
yes
Polar elevation setting (°)
15 - 70
Motors
Servomotors
Encoder
yes
Weight (kg)
18
Load capacity (kg)
18
Power supply
12

GoTo control

GPS
optional
Software
NexStar
GoTo Language
German, English, French, Spanish, Italian
Alignment method
2-Star Align, Quick Align, 1-Star Align, Last Alignment, Solar System Align
Database
40.000
Interfaces
2x Aux, USB 2.0, Autoguider
Remote
Celestron PWI

Tripod

Tripod leg diameter (mm)
51
Type
Tripod
Material
Steel
Weight (kg)
9

Included accessories

Counterweights (kg)
1x 7,7
Power pack
no
cigarette lighter socket
yes
Prism rail
Losmandy-Style
Polar finder scope <p>
no
Transport cases
no
Camera adaptor
M42 & C-Mount
Miscellaneous
Filter holder
Battery compartment
yes

General

Series
CGEM II

Area of application

Astrophotography
yes (very good)
Moon & Planets
yes
Nature Observation
no
Nebulae & galaxies
yes
Sun
no

Recommended for

Beginners
no
Advanced
yes
Observatories
no
show more...
Celestron Teleskop Astrograph S 203/400 RASA 800 CGEM II GoTo
Rear View - the telescope has been optimized for astrophotography and has no focuser.
Celestron Teleskop Astrograph S 203/400 RASA 800 CGEM II GoTo
Cross-section through the light path
Celestron Teleskop Astrograph S 203/400 RASA 800 CGEM II GoTo

Typical application 1

Celestron Teleskop Astrograph S 203/400 RASA 800 CGEM II GoTo

Typical application example 2

Celestron Teleskop Astrograph S 203/400 RASA 800 CGEM II GoTo
Example - Comet 46P/Wirtanen taken by Michael Jäger with an RASA 800

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