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The Helix Nebula.
It has taken me a while to get the data for this. 6 hours luminance at 1x1 binning (10 minute subs)and 1 hour of each RGB 2x2 binning (5 minute subs) using a QHY-9 mono at -20c.
Telescope is W/O Flt 110 with flats and darks applied. As always I am still working on my processing skills.
Mark
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