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Pinwheel Galaxy
M101
Object
Type Spiral Galaxy
Constellation Ursa Major
Distance 27,000,000 ly
Magnitude 7.9
Angular Size 22 arc min
Size 170,000 ly
More Info  SEDSAPODEssay by Robert Gendler ©
Image
Date 5/3/2008
Place Little Blair Valley, Anza-Borrego Desert, CA
Exposure Data L 120 mins @ -20C
Lum 8x15 (bin 1x1)
Notes
Equipment
Optics Vixen VC200L
Focal Length 1280mm @f/6.4
Mount Astro-Physics 900GTO
Camera SBIG ST-2000XM (KAI-2020M)
Focuser Robo-Focus
Filters CFW10A, Astrodon L
Software CCD Commander, MaxIm DL 4, CCDStack, Photoshop cs3

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