NGC 4731
Copyright 2011
Larry Phillips
NGC 4731, an irregular galaxy in the constellation Virgo

Size: 65 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: 35 subexposures of 15 minutes each with 11 luminance, 8 red, 8 green, 8 blue for a total of 5
                 hours and 50 minutes
Date: April & May 2010
Software: Camera, mount, and guider control - CCD Commander & MaximDL, calibration and stacking - CCDStack, further processing in Photoshop CS4.