Bode's Galaxy, M81
Copyright © 2011
M81, Bode's Galaxy, a Spiral Galaxy in the constellation Ursa Major, NGC 3031 Distance: 12 million light years.
Camera: SBIG ST-2000XM
Telescope: Astrophysics Starfire 140 EDT F7.5
Mount: Astro-Physics Mach1 GTO with Advanced Telescope Systems portable pier
Images: 52 sub images @ 10 minutes each of 12 clear, 14 red, 12 green, and 14 blue for a total exposure time of 8 hours & 40 minutes.
Date: November 7-9, 2008
Software: Camera, mount, and guider control - CCD Commander & MaximDL, calibration and stacking - CCDStack, further processing in Photoshop CS4.