Celestron NexStar EVOLUTION 12090, Instruction Manual

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ENGLISH I
23
Mount
Mount Type
Computerized Altitude-Azimuth
Worm Gears Brass worm gears with ball bearings
Worm Wheels Stainless steel 146mm diameter, 180 teeth
Internal Battery 9 6V, 4 5Ah lithium iron phosphate battery (LiFePO4)
Max Power Consumption Up to 4 5A with optional power supply if battery charge,
USB charge port, and telescope are used simultaneously
Min Power Consumption 0 0001A
AUX Ports
4 AUX ports, compatible with Hand Control,
StarSense AutoAlign and other accessories
USB Charge Port 5V, Max Output 2 0A
Power Input Port 12VDC, tip positive, accepts up to 5 0A of current
Included Power Supply
USA, EU, UK, and AU Input Plugs included, 12VDC 2 0A
output
NexStar Evolution 6 Telescope
Optical Design Schmidt-Cassegrain
Aperture 150mm
Focal Length
1500mm
Focal Ratio 10
Focal Length of Eyepiece 1 40mm
Focal Length of Eyepiece 2
13mm
Magnification of Eyepiece 1 38x
Magnification of Eyepiece 2 115x
Finderscope StarPointer, uses 3V CR2032 lithium button battery
Star Diagonal 1 25”
HIghest Useful Magnification
354x
Lowest Useful Magnification 21x
Limiting Stellar Magnitude 13 4
Resolution (Rayleigh)
0 93 arc seconds
Resolution (Dawes) 0 77 arc seconds
Light Gathering Power (Compared to human eye) 459x
Secondary Mirror Obstruction 2 2”
Secondary Mirror Obstruction by Area 14%
Secondary Mirror Obstruction by Diameter
37%
Optical Coatings StarBright XLT
Optical Tube Length 16”
APPENDIX A: SPECIFICATIONS