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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HII (ionized) region Hα-emission regions in the southern Milky Way RCW 98 is 310 thousand years old and is ionized RCW98. Small emission nebula in the constellation Norma.