The Omega Nebula, catalogued as Messier 17 and also known as the Swan Nebula, the Checkmark Nebula, the Lobster Nebula, and the Horseshoe Nebula, is an H II star-forming region in the constellation Sagittarius. It was discovered by the Swiss astronomer Philippe Loys de Cheseaux in 1745 and catalogued by Charles Messier in 1764, and it sits among some of the richest starfields of the Milky Way in that part of the sky.
Facts
Classification
Constellation Discovery Year In the Other Atlases
In Constellation
Also in Divinity Atlas: the constellation this subject lies in.
Sources
1. Wikipedia (space and spaceflight articles)
Wikimedia Foundation
2. Wikidata: Omega Nebula
Omega Nebula (Wikipedia)
Omega Nebula, Wikipedia - lead section, catalogue classification
The Omega Nebula is an H II region in the constellation Sagittarius.
Omega Nebula, Wikipedia - lead section, constellation
The Omega Nebula is an H II region in the constellation Sagittarius.
In Group: Emission, Reflection and Diffuse Nebulae, Lead sentence
The Omega Nebula is an H II region in the constellation Sagittarius.
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