NGC6888 Crescent Nebula09-27-2014 from San Diego County Mountains.Telescope Engineering Company APO180FL @ f/5.23 F/L 941mm.Ha-Olll-Olll, Ha=R, 4x15m, 0lll=6x15. HaOlll=G, Olll=B (bin 1x1) FLI-ML6303E @-25c / Guided by SBIG ST-I / w OAG.
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