Click for full size

Name: Great Hercules Cluster (M13)
Constellation: Hercules
Imaged: May 18, 2012
Location: RMSP, Babylon,NY
Telescope: ES127 ED APO F7.5
Mount: Celestron Cgemdx
Camera: Canon Rebel XT

Details: (12) 30 second jpeg sub-frames (jpeg),combined in Deep Sky Stacker.