M81 - Spiral Galaxy in Ursa Major


CCD Camera ST8E
Optics Celestron C11 with .63 reducer, 1760mm focal length
Location Fort Davis, TX. Naked eye Limiting magnitude about 7.0
Date 04/27/2006
Exposure Thirteen 5 minute luminance exposures; Three 5 minute exposures each with red, green, and blue filters.

Home