Owl Nebula, M97, NGC 3587

This composite image of the Owl Nebula (also known as M97 or NGC3587) was created from three sets of narrowband images taken at the 0.6-meter Burrell Schmidt telescope at Kitt Peak National Observatory in June 1991. The colors in the image correspond to oxygen [O III] in blue, nitrogen [N II] in green, and hydrogen [H-alpha] in red.This image was the subject of NOAO Press Release 03-06.