Comet 17P/Holmes. Taken early in the morning of Nov 2, 2007 with a DSI Pro II and Outback Cooler on
a C80ED operating at f6 with a WO 0.8x field flattener/reducer. LRGB subframes were 2 seconds for
a total exposure of L:R:G:B (sec) = 58:38:40:48 Captured with Envisage, calibrated and sigma
combined in Iris with other processing using FITZ and PixInsight LE.