Heber Curtis

m109,m109 galaxy,ngc 3992

Messier 109

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Messier 109 (M109) is a barred spiral galaxy located in the constellation Ursa Major.

The galaxy lies at a distance of 83.5 million light years and has an apparent magnitude of 10.6. It has the designation NGC 3992 in the New General Catalogue.
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m106,m106 galaxy,ngc 4258,spiral galaxy

Messier 106

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Messier 106 (M106) is a spiral galaxy located in the constellation Canes Venatici, the Hunting Dogs.

M106 lies at a distance of 23.7 million light years from Earth and has an apparent magnitude of 9.1. It has the designation NGC 4258 in the New General Catalogue.
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m100,m100 galaxy,grand design spiral galaxy,ngc 4321

Messier 100

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Messier 100 (M100) is a grand design spiral galaxy located in the Virgo Cluster, in the constellation Coma Berenices. The galaxy lies at an approximate distance of 55 million light years from Earth and has an apparent magnitude of 10.1. Its designation in the New General Catalogue is NGC 4321.
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