Celestial hemisphere:  Southern  ·  Constellation: Ophiuchus (Oph)  ·  Contains:  M 9  ·  NGC 6333
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M9 Globular Cluster in Ophiuchus (LRGB, f=1700 mm), Jean-Pierre Lees
M9 Globular Cluster in Ophiuchus (LRGB, f=1700 mm)
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M9 Globular Cluster in Ophiuchus (LRGB, f=1700 mm)

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M9 Globular Cluster in Ophiuchus (LRGB, f=1700 mm), Jean-Pierre Lees
M9 Globular Cluster in Ophiuchus (LRGB, f=1700 mm)
Powered byPixInsight

M9 Globular Cluster in Ophiuchus (LRGB, f=1700 mm)

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Description

M9, located 22500 light years of the solar system,  has an angular diameter of 11' and a magnitude of 7.8. It is one of the less spectacular globular clusters of the Messier catalog, but it is also one of the globular clusters the closest to the galaxy center. The absorption of light by insterstellar dust could explain why it is not shining more strongly, and reduce its luminosity by about one magnitude.

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