M54 (Globular cluster)

R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.

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From Cambridge , M54 is not readily observable since it lies so far south that it will never rise more than 17° above the horizon.

Name M54
Object type Globular cluster
Other names
M54[2]
NGC 6715[3]
Mel 216[4]
Position
Right ascension:18h55m [3]
Declination:−30°28' [3]
Constellation:Sagittarius
Magnitude:7.70 (V) [4]
Distance:26.8 kpc
87.4 klyr [1]
Derived quantities
Absolute mag (V):-9.44

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