M13
Globular Cluster in Hercules

Exposure Data: An RGB image of 20:20:20 minutes taken with a SBIG ST-10XE/CFW-8A CCD camera with Astrodon filters
Telescope: TEC 140 refractor @ f/7
Mount and Guiding: A Losmandy G11 mount autoguided by an SBIG ST-4 off-axis with a modified Lumicon Giant Easy Guider
Location and Date: Saugus, MA on 6-8-2005