M81

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Image Details

Optics: Astro-Physics 130 EDFS f/6 operated at f4/.5.
Mount: Software Bisque Paramount ME.
Camera: SBIG ST10 XME/CFW 8A.
Filters: AstroDon LRGB E filter set.
Date: February 2005. 
Exposure: L:R:G:B = 55:40:40:40.  The L image was binned 1x1 and the color images binned 2x2.
Acquisition: CCDSoft 5, TheSky6, CCDAutoPilot2. 
Processing: Registar, Ray Gralak's Sigma, Photoshop CS.