M11 and the surrounding Scutum cloud, taken with an SBIG STL11000 and a Canon 135mm/f2 stopped down to 5.6. RGB filters were used from Astronomik. Exposure times were 3x5 mins with each filter. Additive exposure time is therefore 45 mins.
SBIG STL-11000,Canon 135mm/f2 self guided via Astro-Physics AP400
full exif