Messier M42 - Orion Nebula
M42 (NGC 1976), also known as Orion Nebula, is a diffuse nebula located within the constellation Orion, in the Orion Arm of the Milky Way Galaxy. in the Local Group of galaxies.
M42 is best viewed during winter, is magnitude 5.0*, and can be viewed with naked eye (barely). It is 85 x 60' in size. For reference, the full moon is 30' (arc minutes) in size.
* The naked eye can see up to magnitude 8 objects under ideal dark sky conditions.
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