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Here is that winter classic, the Great Nebula in Orion (formally known as M42 and M43). To its left is the combination reflection and emission nebula known as the Running Man (NGC 1973/5/7). To the right of the Orion nebula is open cluster NGC 1990 and to the left of the Running Man is open cluster NGC 1980. The dark region in the upper right of the Orion Nebula is LDN (Lynds Dark Nebula) 1691. Throughout are clouds and wisps of brownish interstellar dust.