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Messier 9 is a globular cluster in the constellation Ophiuchus.
It was discovered by Charles Messier in 1764.
M9 is one of the nearer globular clusters to the center of the Milky Way
Galaxy with a distance of around 5,500 light-years.
Its distance from Earth is 25,800 light-years.
The total luminosity of this cluster is around 120,000 times that of the Sun.
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