NGC 891 On Edge Galaxy  
Scope: Deep Sky Instruments RC10c 254mm @ f/7.4 / FL= 1880mm Corrected Ritchey Chretien  
Camera: FLI- ML11002M with FLI (7 position filter wheel CFW-5-7) 
Total Exposure: LRGB= 2.8 hrs Lum + 1.0 hr ea R,G,B (15min subs)
December 2012: Chico, California, USA 
Comments: NGC 891 (also known as Caldwell 23) is an edge-on unbarred spiral galaxy about 30 million light-years away in the constellation Andromeda. It was discovered by William Herschel on October 6, 1784. The galaxy is a member of the NGC 1023 group of galaxies in the Local Supercluster.