Type Location r.a. dec. Size Magnitude Distance Globular Cluster Ophiuchus 17h37.6 -3°15' 6.7' 7.5 24 kly   Date Telescope Binning Exp Time (s) Special processing Notes 07/16/02 Centurion 18" L 1:1 RGB 2:1 L 3x120 R,G,B 300 LRGB, Max Entropy, DDP