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M66 (NGC 3627, Arp 16) spiral galaxy type Sb in Leo. Taken Mar. 23, 24 & 26 2008 in poor transparency with a DSI Pro II and Outback Cooler, on a C8NGT (8" Newtonian f5) and an ASGT mount. LRGB subframes were 3 minutes each resulting in the following total exposures L:R:G:B (min) = 162:72:81:75. Color balance was achieved via numerically scaled channels. Captured with Envisage, calibrated and sigma combined in Iris with other processing using FITZ, PixInsight LE and Photoshop CS. North is up.
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