M81 (Bode's Galaxy, NGC 3031)

Telescope: Planewave 17" CDK reflector, 1940 mm FL
Camera: FLI-PL6303E, 3072 x 2048 pixels
Exposure: L:16x3m R:6x3m G:6x3m B:6x3m HA Processed with PixInsight.
Location: Mayhill, New Mexico (Elevation 7380')
Image Center (J2000): RA 9h 55m 39s, Dec 69° 05' 22"
Image Size: 33' x 27'

Spiral Galaxy in Ursa Major, high surface brightness, apparent size 26' x 14'. A bright nucleus with two well defined spiral arms and a dust lane that runs nearly to the disk. Integrated Flux Nebula (Arp's Loop) is just barely visible at lower left.
Raw data for this image can be downloaded.


M81 (Bode's Galaxy, NGC 3031), Spiral Galaxy in Ursa Major, high surface brightness, apparent size 26' x 14'. A bright nucleus with two well defined spiral arms and a dust lane that runs nearly to the disk. 
Integrated Flux Nebula (Arp's Loop) is just barely visible at lower left.
, acquired with a remote telescope at Mayhill, New Mexico (Elevation 7380')

Object Label Identifier Notes
Galaxy G3 MCG+12-10-007 Galaxy, mG=15.4, 0.6' x 0.4'
Galaxy Holmberg IX Holmberg IX Satellite dwarf galaxy, discovered in 1959
Galaxy GC 1 [PR95] 50777 Brightest Globular Cluster in M81, mV=16.92
Galaxy GC 2 [PR95] 50548 Globular Cluster, mV=17.53
Galaxy GC 3 2MASS J09562744+6901099 Globular Cluster, mV=17.63
Galaxy GC 4 [PR95] 50225 Globular Cluster, mV=18.43
Galaxy GC 6 [PR95] 40165 Globular Cluster, mV=18.23
Galaxy Arp Loop Arp Loop Discovered in 1965. Part star forming regions near M81 and part galactic cirrus IFN

Click on the image to display the plate solved image with annotations. 10' across M81 is about 34,000 light years. M81 has about 60 Globular Clusters brighter than mag 19.75, the brightest are annotated.