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@stro objects

M17 - The Omega Nebula

The @stro object for the week of 12/27/1999

image of the Omega Nebula

image courtesy of SEDS

The Omega Nebula. M17, also known as the Omega Nebula, the Swan Nebula, the Horseshoe Nebula, or (especially on the southern hemisphere) the Lobster Nebula. It is a star producing area that gets its light from the radiation of young stars. From SEDS: "This (reddish) color comes from the hot hydrogene gas which is excited to shine by the hottest stars which have just formed within the nebula. However, the brightest region is actually of white color, not overexposed as one might think." The mass of this gas has been estimated to be around 800 times that of our Sun. It is estimated to be around 5000-6000 light years away.

Current information for the Omega Nebula:
Rise: 0706 PST
Set: 1743 PST
Magnitude: 6.0
Constellation: Sagittarius
Phase: not applicable

more info...

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