M81- Spiral Galaxy
in Ursa Major

LAAstro.com by Bill Patterson
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Click Here for 40% Scale Image -487k
Date Taken:  11/27/05                           Location:  OCA site, Anza, CA   
Equipment: 
RCOS 12.5" telescope & SBIG STL11000 CCD camera
Exposure:
  LRGB = 160/25/25/25 (20 min sub-exposures in luminance, 5 in color)
Notes: 
First light image with new scope - image presented at 40% of original
Catalog: M81      
Magnitude:
6.9

Size: 
26.9' x 14.1'

Constellation: 
Ursa Major

Common Name or Description: 
Bode's Nebula - spiral galaxy