NGC 1977, NGC 1975 and NGC 1973 "The Running Man Nebula" in Orion

Running Man Nebula; CCD image thru 20 inch
This is a 10:10:20 minute red:green:blue exposure with an STL-1301E CCD camera thru Kopernik's 20-inch Ritchey Chretien Cassegrain telescope working at F/5. The field of view is about 20x24 arc minutes, with North at the top.

George Normandin, KAS

March 24th, 2010