47 Tucanae

Globular cluster in the constellation Tucana

47 Tucanae (47 Tuc, also designated NGC 104 and Caldwell 106) is a globular cluster located in the constellation of Tucana. It is about 4.45 ± 0.01 kpc (14,500 ± 32.6 ly) from Earth, and 120 light years in diameter. 47 Tuc can be seen with the naked eye, with an apparent magnitude of 4.1.

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