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>M74, spiral galaxy 16/08/2012 from Thézac (dept. 17, France) Telescope: C8 F=1260mm Guiding: Orion 80ED refractor at F=1200mm Mount: Skywatcher EQ6 Pro Imager: Atik 314L+ at -14°C Mount: LodeStar StarLightXpress Moon: no moon Conditions: calm, 17°C Exposures: L:15x2mn R:5x2mn G:5x2mn B:5x2mn Binning: L:bin1 RGB:bin2 Offsets: 15x0,001s Darks: 3x2mn in bin1 and 3x2mn in bin2 Flats: 15 per filter Flat L:0,02s Flat R:0,4s Flat G:0,03s Flat B:0,01s Processing: IRIS then GIMP : tresholds. Commentary: do more exposures. 
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