Omega Nebula
H II region in the constellation Sagittarius, discovered by Philippe Loys de Chéseaux
AI overview
The Omega Nebula is a glowing cloud of gas located in the constellation Sagittarius that was discovered by Philippe Loys de Chéseaux. It represents an important example of the types of stellar nurseries where new stars form in our galaxy.
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Article
The Omega Nebula 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. This feature is also known as the Swan Nebula, Checkmark Nebula, Lobster Nebula, and the Horseshoe Nebula, and catalogued as Messier 17 or M17 or NGC 6618.
Characteristics