Copyright 2011
Larry Phillips
 M5, Globular Star Cluster in the constellation Serpens Caput

Cataloged as NGC 5904

Thought to be one of the oldest globular clusters, with a computed age of 13 billion years and is one of the larger globular clusters. It contains between 100,000 and 500,000 stars.

Distance: Estimated at 24,500 light years
Size: An estimated 165 light years across
Camera: SBIG ST-2000XM
Telescope: Astrophysics Starfire 130 EDT F8
Mount: Losmandy G11 with Gemini Control with Advanced Telescope Systems portable pier
Images: 5 luminance @ 5 minutes each, 6 Red @ 5 minutes each, 5 Green @ 5 minutes each, 5 Blue @ 5 minutes each
 Date: May 2007
 Software: Camera and guider control - CCDSoft, calibration and stacking - CCDStack, creation of color image - Photoshop CS2