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StellaLyra 6" f/4 reflector with 0.9 SW Coma Corrector, Canon 600D astromodded. 368 exposures between 15 and 30 seconds, all at ISO800. Shot at 65N, between 18 and 12 degrees altitude. At least 100 frames discarded. Stacked in DSS and Siril. This time DSS gave the most detail and least noise, but with a tendency to burn out the white. All-in-all, DSS ended on top. Photometric color calibration in Siril, all other post-processing in Gimp. Very light noisereduction with the G'Mic plugin, and a couple of high-pass to finish it off.

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StellaLyra 6" f/4 with SW 0.9 CC

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