Of the approximately 160 globular clusters that belong to the Milky Way, 47 Tucanae (NGC 104) stands out. Despite a distance of nearly 15,000 light-years, 47 Tuc shines at 4th magnitude, which places it second only to Omega Centauri (NGC 5139) among the galaxy’s globulars. If it didn’t lie in the far southern constellation Tucana, it would be a favorite target for northern amateur astronomers.
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