Andromeda Galaxy, M31
Copyright 2011
Larry Phillips
M31, The Andromeda Galaxy, in the constellation Andromeda

Spiral Galaxy Cataloged as NGC 224

This galaxy can be see in a reasonably dark site with the naked eye - making it the most remote object visible without the aid of a telescope or binoculars.

Distance: Estimated at 2.9 million light years away and 250,000 light years across Camera: SBIG ST-2000XM
Telescope: Astrophysics Starfire 130 EDT F8 using the .75X telecompressor Mount: Losmandy G11 with Gemini Control with Advanced Telescope Systems portable pier
Images: 11 luminance @ 5 minutes each, 6 Red @ 5 minutes each, 5 Green @ 5 minutes each, 5 Blue @ 5 minutes each for a total exposure time of 135 minutes
Date: September 2007
Software: Camera and guider control - CCDSoft, calibration and stacking - CCDStack, Creation of color image - Photoshop CS2.