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47 Tucanae

C106, NGC 104, Xi Tucanae, HR 95

Proper NameNone
Caldwell NumberC106
NGC/IC NumberNGC 104
Other Designations47 Tucanae (originally a stellar designation)
ConstellationTucana
Right Ascension0h 24m 58s
Declination-71° 58' 21"
Distancec.16,600 light years
c.5,100 parsecs
MagnitudeApparent: +4.0
Absolute: -9.3
DiameterApparent: 50'
Actual: c.240 light years
Optimum VisibilityOctober (Usually visible from southern latitudes)

A Globular Cluster so bright it can be seen with the naked eye, 47 Tucanae lies roughly 15,000 light years from Earth, in approximately the direction of the Small Magellanic Cloud.

Image of 47 Tucanae

A spherical cloud of very ancient stars, the Globular Cluster 47 Tucanae lies just outside the disc of our Milky Way galaxy.

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