Messier 13 or M13 (also designated NGC 6205 and sometimes called the Great Globular Cluster in Hercules or the Hercules Globular Cluster) is a globular cluster of about 300,000 stars in the constellation of Hercules. (Wikipedia)
AstroTech AT6RC
Astro Tech Field Flattener
Baader UV/IR Cut Filter
Starlight Xpress M25C CCD camera
Astro Tech 72 ED guidescope
DMK 21AF04 guide camera
Astro Physics Mach 1 GTO Mount
14 exposures at 5 minutes each
Guided with PHD 1.13 (Mac)
Captured and Pre-Processed in Nebulosity 3
Post-Processed in Photoshop CS5
full exif