Messier 54 (M54) is an extragalactic globular cluster located in the southern constellation Sagittarius. It has an apparent magnitude of 8.37 and lies at a distance of 87,400 light years from Earth. It has the designation NGC 6715 in the New General Catalogue.
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Messier 53 (M53) is a globular star cluster located in the northern constellation Coma Berenices. The cluster has an apparent magnitude of 8.33 and lies at an approximate distance of 58,000 light years from Earth. It has the designation NGC 5024 in the New General Catalogue.
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Messier 30 (M30) is a globular cluster located in the southern constellation Capricornus. The cluster lies at a distance of 27,140 light years from Earth and has an apparent magnitude of 7.7. It has the designation NGC 7099 in the New General Catalogue.
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Messier 28 (M28) is a class IV globular star cluster located in the constellation Sagittarius. The cluster has an apparent magnitude of 7.66 and lies at a distance of 17,900 light years, or 5,500 parsecs, from Earth. Its designation in the New General Catalogue is NGC 6626.
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Messier 22 (M22) is a globular cluster located near the Milky Way bulge, the tightly packed group of stars near the galactic centre. The cluster lies in the constellation Sagittarius. It is one of the brightest globular clusters in the sky and was one of the first objects of this kind to be discovered and studied.
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Messier 19 (M19) is a globular cluster located in the southern constellation Ophiuchus. The cluster has an apparent magnitude of 7.47 and lies at a distance of 28,700 light years, or 8,800 parsecs, from Earth. It has the designation NGC 6273 in the New General Catalogue.
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Messier 15 (M15), also known as the Great Pegasus Cluster, is a globular cluster located in the northern constellation Pegasus. The cluster has an apparent magnitude of 6.2 and lies at a distance of 33,600 light years (10,000 parsecs) from Earth. It has the designation NGC 7078 in the New General Catalogue.
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