Reprocessed per feedback from several folks to tone down the green/Ha.
I backed off green and boosted red in the areas on the left, mostly midtones,
but maintained levels in the shadows and highlights to keep the stars colors from getting too weird.
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Southeastern area of the North American Nebula, NGC7000, a.k.a. The Wall.
3 x 30 minutes Sii, 5 x 30 minutes Ha, 3 x 30 minutes Oiii, all binned 2x2.
Processed as Hubble palette RGB : Sii Ha Oiii.
Apogee Alta U8300, APM115/805 APO Refractor with FF32 Flattener, Astrodon 3nm NB filters.
Guided with DSI Pro II and 2x barlow, through Astrodon Monster MOAG, Stark Labs PHD.
Bias calibrated, hot pixel mapped, and aligned in Nebulosity; stacked in Maxim DL,
post-processed in FITS Liberator and PhotoShop.