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Where is Messier 17 located?

Messier 17 (M17), also known as the Omega Nebula, is a famous star-forming nebula located in the southern constellation Sagittarius. The diffuse emission nebula lies near the constellation’s northern border with Scutum, at a distance of 5,000 to 6,000 light years from Earth.

What is the Messier 17 catalog?

Known to posterity as the Messier Catalog, this list has come to be one of the most important milestones in the research of Deep Sky objects. One of these is the star-forming nebula known as Messier 17 – or as it’s more famously known, the Omega Nebula (or Swan Nebula, Checkmark Nebula, and Horseshoe Nebula).

What is the Messier 17 Nebula?

Messier 17 - M17 - The Omega Nebula (Emission Nebula with Open Cluster) M17, also known as the Omega Nebula, is an emission nebula located in the rich Milky Way star fields of Sagittarius. It's a HII star formation region that shines at magnitude +6.0, placing it at the limit of naked eye visibility.

What is the size of M17?

With a total mass of roughly 800 solar masses, M17 is also one of the most massive H II regions of our galaxy. The nebula occupies an area roughly 15 light years in diameter and is part of a larger cloud, which is about 40 light years in diameter.


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