NGC 6207 (Sc Galaxy in Hercules near M13) shot Aug 14, 2006 with
DSI Pro II on a C8NGT (8" Newtonian f5) operating at f7 (using a
1.4x teleconverter). All subframes were 60 sec with the number
of subframes L:RG::B = 34:23:23:23. Captured with Envisage,
calibrated and sigma combined in Iris with other processing using
PixInsight and Photoshop CS.