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M81 -- Bode's Galaxy
Object
Type
Spiral Galaxy
Constellation
Ursa Major
Distance
12000k light years
Magnitude
6.9
Size
21x10 arc-min
Image
Date 2008-02-09
Place
RMCC Observatory (Mounds)
Exposure
Data LRGB 120:30:45:75 mins @ -15C
Clear 24x5, R 6x5, G 9x5, B 15x5
Notes
R, G, B filters binned 2x2
Equipment
Optics
Takahashi TOA-150
Focal
Length
1100 mm @f/7.3
Mount
Takahashi NJP
Camera SBIG ST-10XME
Focuser
RoboFocus
Filters CFW-10, Astrodon LRGB
Software TheSky6, CCDSoft,
CCDAutopilot3, CCDStack, PhotoShop
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