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M60 (NGC 4649) elliptical galaxy type E2 with NGC 4647 spiral galaxy type SBc, in Virgo. These two galaxies are also identified as Arp 116. Taken Apr. 12, 25,26, 28, & May 01 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 resulting in the following total exposures L:R:G:B (min) = 183:66:99:87. 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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