NGC 4631 Whale Galaxy
Copyright 2012
Larry Phillips
NGC 4631 Whale Galaxy in the constellation Canes Vanatici

Strong titration with its neighbor, NGC 4656 the Hockey Stick Galaxy

Distance: 30 Milliion light years
Size: 190,000 light years long
Camera: SBIG ST-10XME
Telescope: Astrophysics Starfire 140 EDT F7.5
Mount: Astro-Physics Mach1 GTO with Advanced Telescope Systems portable pier
Images: 131 subexposures of 5 minutes each with 27 of luminance, 28 of red, 46 of green, and 30 of blue for a total of 10 hours and 55 minutes
Date: May 2011
Software: Camera, mount, and guider control - CCD Commander & MaximDL; calibration, stacking, & RGB creation in CCDStack, and further processing in Photoshop CS4.