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William Henry Smyth

Messier 56

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m56,ngc 6779

Messier 56 (M56) is a globular star cluster located in the small northern constellation Lyra. M56 has an apparent magnitude of 8.3 and lies at a distance of 32,900 light years from Earth. The cluster has the designation NGC 6779 in the New General Catalogue.
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Messier 53

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m53,ngc 5024

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 52

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ngc 7654,m52,open cluster

Messier 52 (M52) is a bright open cluster located in the northern constellation Cassiopeia. The cluster has an apparent magnitude of 6.9 and lies at… Read More »Messier 52

Messier 51: Whirlpool Galaxy

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whirlpool galaxy,m51

Messier 51 (M51), better known as the Whirlpool Galaxy, is a famous grand-design spiral galaxy located in the constellation Canes Venatici. The Whirlpool Galaxy has an apparent magnitude of 8.4 and lies at an approximate distance of 23 million light years from Earth. It has the designation NGC 5194 in the New General Catalogue.
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Messier 49

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m49,giant elliptical galaxy,ngc 4472

Messier 49 (M49) is an elliptical galaxy located in the southern constellation Virgo. The galaxy has an apparent magnitude of 9.4 and lies at a distance of 55.9 million light years from Earth. It has the designation NGC 4472 in the New General Catalogue.
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Messier 46

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m46,open cluster,ngc 2437

Messier 46 (M46) is an open star cluster located in the southern constellation Puppis, the Stern. It occupies an area of 27 arc minutes of apparent sky, almost the size of the full Moon, and has a spatial diameter of 30 light years.
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