In a new Hubble’s Universe Unfiltered podcast, Dr. Frank Summers, astrophysicist at the Space Telescope Science Institute, analyzes and compares three different images of the Pillars of Creation region in the Eagle Nebula (M16), taken in 1995 and 2014.
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Messier 75 (M75) is a globular cluster located in the southern constellation Sagittarius. The cluster has an apparent magnitude of 9.18 and lies at a distance of 67,500 light years from Earth. It has the designation NGC 6864 in the New General Catalogue.
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Messier 70 (M70) is a globular cluster located inside the Teapot asterism in the southern constellation Sagittarius. The cluster has an apparent magnitude of 9.06 and lies at a distance of 29,400 light years from Earth. It has the designation NGC 6681 in the New General Catalogue.
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Messier 69 (M69) is a globular star cluster located in the southern constellation Sagittarius. The cluster lies at a distance of 29,700 light years from Earth and has an apparent magnitude of 8.31. It is one of the fainter globular clusters listed in Messier’s catalogue. Its designation in the New General Catalogue is NGC 6637.
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Messier 55 (M55), also known as the Summer Rose Star, is a globular cluster located in the constellation Sagittarius. The cluster has an apparent magnitude of 7.42 and lies at a distance of 17,600 light years from Earth. It has the designation NGC 6809 in the New General Catalogue.
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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 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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