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M5

NGC 5904

Proper NameNone
Messier NumberM5
NGC/IC NumberNGC 5904
Other DesignationsN/A
ConstellationSerpens
Right Ascension15h 19m 20s
Declination+2° 1'
Distancec.24,500 light years
c.7,500 parsecs
MagnitudeApparent: +5.7
Absolute: -8.8
DiameterApparent: 17.4' 12"
Actual: 165 light years
Optimum VisibilityMay / June
NotesAn ancient and immense globular cluster spanning some 165 light years from side to side, M5 lies far outside the plane of the Galaxy among its halo of surrounding clusters. In the skies of Earth it lies beyond the star 5 Serpentis, and under ideal conditions is visible to the naked eye.
Pallas

One of more than one hundred and fifty globular clusters that swarm around the Milky Way, M5 lies far outside the main spiral plane of the Galaxy.

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