M 1, The Crab Nebula in Ha and NII light by Steve Cooper

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M 1, The Crab Nebula in Ha and NII light

Bi-color Crab Nebula taken with Astrodon 3nm Ha and NII narrow band filters. SBIG STL 6303 camera / FW8 / MOAG / RGH / AO-L and Deep Sky RC10C telescope.
12 X 30 min subs Ha and 6 X 30 min subs NII 1X1 @ -25. Ha is assigned to R, and NII assigned to G & B.
Frames acquired with MaxIm DL 5, calibrated and combined in CCD Stack2. Final processing in ImagesPlus 5.0.
Stardust Ranch, Okeechobee FL
http://stardustranch.org/

other sizes: small medium large original auto

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