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NGC 6333, HD 156587

Proper NameNone
Messier NumberM9
NGC/IC NumberNGC 6333
Other DesignationsHD 156587
Right Ascension17h 19m 12s
Declination-18° 30' 59"
Distancec.25,800 light years
c.7,900 parsecs
MagnitudeApparent: +7.7
Absolute: -6.8
DiameterApparent: 12'
Actual: 90 light years
Optimum VisibilityJune / July
NotesAt eighth magnitude, M9 is the brightest of a grouping of globular clusters in southeastern Ophiuchus, lying in the direction of the Galactic nucleus as seen from Earth. M9 and its fainter neighbour NGC 6342 are indeed in the near neighbourhood of the Galaxy's core, but their apparent companion NGC 6536 is considerably more distant, lying some 30,000 light years farther out across the Galactic disc.

A very distant Globular Cluster in Ophiuchus. At a distance of 22,000 light years or more, M9 lies in the vicinity of our Galaxy's core.

Image of M9

Towards the central parts of our Galaxy lies this ancient red-golden globe of stars: Messier 9.


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