NGC 3031 (M81)

Galaxy in Ursa Major (pair with NGC 3034)
R.A.: 09h 55m 32.9s, De.: +69° 03' 55" (J2000)
Classification: Sb I-II
Distance: 12 Mly
Visual Magnitude: 7.0 (blue magnitude 7.8)
Surface Brigthness: 13.0
Apparent Diameter: 26'x14'
Position Angle: 157°
from NGCIC and SEDS

Date Lens Exposition
2009/05/01 80mm, f/4.8 113m (Ha)
2008/03/09 80mm, f/4.8 110m
2006/04/19 80mm, f/6 405s
2005/08/29 80mm, f/6 120s



Last update Nov 24, 2009 by AK.