NGC 891 is a fine example of a spiral galaxy seen edge-on. The estimated distance to NGC 891 is 10 million light years and its visual brightness is 10.1 mag.
More information on NGC 891 can be found at: http://www.seds.org/messier/xtra/ngc/n0891.html
September 3, 4, 2005
Luminance - a sum of 18, eight minute exposures for a total exposure time of 2.4 hours.
RGB - 6 x eight minute exposures for each color channel at 2x2 binning.
Grandview Campground, Inyo National Forest - Near Bishop, CA
RC Optical Systems 10" Ritchey-ChrÃ©tien,
Mount - Astro-Physics AP 1200 GTO
Camera - SBIG ST-10XME