Object: M81 in Ursa Major
Equipment: Astro-Tech 10 Ritchey-Chrétien Astrograph@ f/8 on Astro-Physics 1200GTO mount; SBIG ST-8300
Exposure/Processing: 35 minutes RGB each (2x2 bin 100s exposures); 85 minutes luminance (300S exposures) Processed Maxim DL and Photoshop.
Location/Date: 2012 Texas Star Party, April 15-21, 2012, Fort Davis TX