Messier 17
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Messier 17

March 31, 2003
Atlas Image mosaic, covering 1° × 1° on the sky, of Messier 17 (M17), aka the Omega Nebula, the Swan Nebula, the Horseshoe Nebula, and the Lobster Nebula, located in the constellation Sagittarius. It is roughly 5,000 light years from the Sun. The 2MASS image penetrates the obscuring veil of dust and reveal the otherwise invisible contents of a dark molecular cloud. The giant molecular cloud associated with M17 is one of the most luminous and active star-forming complexes in the Milky Way, and contains one of the youngest and richest stellar clusters in our galaxy. 1999 Oct 6-12

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