M15 - Globular Cluster

LLsRGB image, 12" LX200R scope at 3200 mm focal length

(10.1 hours total exposure - L 17x10 min plus 8x5 min, binned 1x1 plus synthetic luminance from RGB {not counted in total time}; R 7x10 min, G 9x5 min, B 7x10 min, all binned 2x2; August 2012)