NGC891 - Edge-On Unbarred Spiral Galaxy

LRGB image, 12" LX200R scope at 3200 mm focal length

(Total exposure 22.3 hours - L 20x30 min binning 1x1, R 4x20 min binning 1x, 10x20 min binning 2x2; G 4x10 min binning 1x1, 11x10 min binning 2x2; B 4x20 min 1x1 binning, 4x20 min 2x2 binning; November 2012)