M51

Messier 101: Pinwheel Galaxy

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Messier 101 (M101), also known as the Pinwheel Galaxy, is a spiral galaxy located in the constellation Ursa Major, the Great Bear. The Pinwheel Galaxy has an apparent magnitude of 7.86 and lies at a distance of 20.9 million light years from Earth. It has the designation NGC 5457 in the New General Catalogue.
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Messier 88

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Messier 88 (M88) is a spiral galaxy located in the Virgo Cluster, in the constellation Coma Berenices. The galaxy lies at an approximate distance of 47 million light years and has an apparent magnitude of 10.4. It has the designation NGC 4501 in the New General Catalogue. Messier 88 occupies an area of 6.9 by 3.7 arc minutes of apparent sky, which corresponds to a spatial extension of 105,000 light years.
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Messier 51: Whirlpool Galaxy

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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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