The Omega Centauri globular cluster in the constellation of Centaurus. At a distance of 17090 light-years, this is the largest and most massive known globular cluster in the Milky Way.
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Wide-field view of the Crescent Nebula, a.k.a NGC 6888, Caldwell 27 or Sharpless 105. Emission nebula in Cygnus ~5000 ly away, the blue object in the center.
Formed by the stellar wind...