Space Pictures

M81

Photographs by Matthew T. Russell

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Messier Number:
M81

NGC Number:
NGC 3031

Common Name:
Bode's Nebula

Constellation:
Ursa Major

Distance from Earth:
~11 Million Light Years

Visual Magnitude:
7.9

Size:
21 x 10 arc minutes

Click here to view the full size image.

Date Taken:
2/23/2006

Location:
Black Forest, CO

Equipment:
16" RCOS Ritchey-Chretien
Bisque Paramount ME
SBIG ST-11000M
AstroDon Series I Filters

Exposure Specs:
210 minutes total
Lum: 8x15 min
Red: 3x10 min
Grn: 3x10 min
Blu: 3x10 min

Processed with:
MaximDL v4
Adobe Photoshop CS

 


Copyright 2006, Matthew T. Russell. All rights reserved.