M12

M12 is a small globular cluster lying about 23000 light years away in the constellation of Ophiuchus. It is a short 3° hop away from another globular cluster, M10.

Takahashi Sky 90 at f/4.5
SBIG STL-4020M (self-guided)
Takahashi EM-200
Hutech LPS filter
RGB: 30 minutes each channel (5 minute exposures)
Processed with CCDStack and Photoshop CS3
Noel Carboni's Astronomy Tools