Stephan's Quintet (NGC7317, NGC7318A, NGC7318B, NGC7319, NGC7320) in Pegasus. Taken Sept 22, 23,
24, 25, 2006, with a DSI Pro II and Outback Cooler on a C8NGT (8" Newtonian f5 and an ASGT mount).
L subframes were 120 seconds and the RGB subframes were 90 seconds. L:R:G:B (min) = 116:92:86:92.
Color balanced achieved using G2V star and correcting for exposure times. Captured with Envisage,
calibrated and sigma combined in Iris with other processing using PixInsight LE and Photoshop CS.
North is up.