Celestial hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  Checkmark Nebula  ·  HD168098  ·  HD168163  ·  HD168164  ·  HD168276  ·  HD168302  ·  HD168415  ·  HD168446  ·  HD168447  ·  HD168462  ·  HD168521  ·  HD168569  ·  HD168585  ·  HD168607  ·  HD168625  ·  HD168641  ·  HD168701  ·  HD168726  ·  HD168816  ·  HD168833  ·  HD168857  ·  HD168859  ·  HD168860  ·  HD168934  ·  HD169035  ·  IC 4706  ·  IC 4707  ·  LBN 60  ·  LDN 359  ·  Lobster Nebula  ·  And 5 more.
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M 17 The Omega Nebula aka The Swan Nebula, Roland Schliessus
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M 17 The Omega Nebula aka The Swan Nebula

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M 17 The Omega Nebula aka The Swan Nebula, Roland Schliessus
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M 17 The Omega Nebula aka The Swan Nebula

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Description

The Omega Nebula, also known as the Swan Nebula, Checkmark Nebula, Lobster Nebula, and the Horseshoe Nebula (catalogued as Messier 17 or M17 or NGC 6618) is an H II region in the constellation Sagittarius. It was discovered by Philippe Loys de Chéseaux in 1745. Charles Messier catalogued it in 1764. It is by some of the richest starfields of the Milky Way, figuring in the northern two-thirds of Sagittarius.


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M 17 The Omega Nebula aka The Swan Nebula, Roland Schliessus