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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The Omega Nebula (Messier 17) is a bright nebula in the constellation of Sagittarius. This photo is the result of 3 x 10 minutes frames per each RGB channel and 5 x 10 minutes luminance...