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
.