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M12

NGC 6218

Globular Cluster in Ophiuchus

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Proper NameNone
Messier NumberM12
NGC/IC NumberNGC 6218
ConstellationOphiuchus
Right Ascension16h 47m 14s
Declination-1° 56' 55"
Distancec. 15,700 light years
c. 4,810 parsecs
MagnitudeApparent: +6.7
Absolute: -6.7
DiameterApparent: 16'
Actual: 73 light years
Optimum VisibilityJune
NotesThis relatively loose globular cluster lies inward across the disc of the Milky Way Galaxy from the Sun, at a distance of about 15,000 light years. Its structure implies that it has actually passed through the Galaxy's disc on at least one occasion.

One of a number of loose Globular Clusters in the constellation Ophiuchus.

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