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Flaming Star Nebula C31/IC405 Ha only (mono)

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I can't decide between the colour versions of these in SHO so I decided to try my hand here with the mono Ha image and ask for comments on a separate non-contest thread.

Total integration: 210 minutes/3.5 hours (42 x 5m subs) on October 19, 2017. 
Camera: QHY163M (16mp mono) CMOS cooled to -20 degrees C.
Telescope: Stellarvue SV70T triplet apochromat refractor @ f/4.8
Mount: Paramount MyT.
Filters: Astrodon 5nm Ha, 3nm O3, 3nm S2.
Software: Sharpcap, PixInsight, Nebulosity, Photoshop CC.



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