M100
Copyright 2011
Larry Phillips
M100, NGC 4321, a spiral galaxy in the constellation Coma Berenices

Distance: 60 million light years
Size: NA
Camera: SBIG ST-2000XM
Telescope: Astrophysics Starfire 140 EDT F7.5
Mount: Astro-Physics Mach1 GTO with Advanced Telescope Systems portable pier
Images: 75 subexposures of 15 minutes each with 20 luminance, 20 red, 19 green, and 16 blue for a
                  total of 18 hours and 45 minutes
Date: April 2010
Software: Camera, mount, and guider control - CCD Commander & MaximDL, calibration and stacking - CCDStack, further processing in Photoshop CS4.