astroimages
Darin E. Fields' Astrophotography Pages
 

M81: Spiral galxy in Ursa major

Right Ascension 09 : 55.6 (h:m)
Declination +69 : 04 (deg:m)
Distance 12000 (kly)
Visual Brightness 6.9 (mag)
Apparent Dimension 21x10 (arc min)

More information on M81

A 600 second exposure (10x60 seconds using Track and Accumulate) of M81 cooled at -25c off ambient with the ST-237 SBIG camera
m81-ta-2: