Messier 78 (M78, NGC 2068) is a beautiful blue reflection nebula in the constellation Orion. It is the brightest diffuse reflection nebula in a group of nebulae that includes NGC 2064, NGC 2067, and NGC 2071.  This reflection nebula in Orion was discovered by Charles Messier’s colleague Pierre Méchain 1780 and is part of 110 … Continue reading M78 Reflection Nebula in Orion