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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M77, a.k.a NGC 1068 or the Squid Galaxy, a barred spiral galaxy of class (R)SA(rs)b ~47 million light-years away in Cetus. Originally cataloged as a star cluster by Messier and Herschel...