M13 - Great Cluster in Hercules, July 9, 2010
M13: The Great Cluster in Hercules, magnitude 5.90.

Name: M13 (NGC 6205) Great Cluster in Hercules
Camera: Nikon D700, prime focus
Telescope: Astro-Tech 8” f4.0 Imaging Newtonian
Mount: Atlas EQ-G
Shutter Speed: 180 seconds
ISO: 400
2 lights
Shutter Speed: 180 seconds
ISO: 800
1 lights
Darks: 0
Temperature: 70*F
ImagesPlus 3.82a, Nikon Capture NX2