Messier 45 (M45), also known as the Pleiades or Seven Sisters, is a bright open star cluster located in the constellation Taurus, the Bull. The Pleiades cluster has an apparent magnitude of 1.6 and lies at an average distance of 444 light years from Earth. The cluster is also known as Melotte 22. It does not have an NGC designation.
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Messier 44 (M44), also known as the Beehive Cluster or Praesepe (the Manger), is an open star cluster in the constellation Cancer. Praesepe is a bright, large cluster with an apparent magnitude of 3.7. It lies at a distance of 577 light years from Earth. It has the designation NGC 2632 in the New General Catalogue.
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Messier 42 (M42), the famous Orion Nebula, is an emission-reflection nebula located in the constellation Orion, the Hunter. With an apparent magnitude of 4.0, the… Read More »Messier 42: Orion Nebula
Messier 41 (M41) is a bright open star cluster located in Canis Major constellation. It lies near Sirius, the brightest star in the sky. Messier 41 has an apparent magnitude of 4.5 and lies at an approximate distance of 2,300 light years from Earth. It has the designation NGC 2287 in the New General Catalogue.
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Messier 39 (M39) is a large open cluster located in the constellation Cygnus, the Swan. The cluster has an apparent magnitude of 5.5 and lies at a distance of 824.4 light years from Earth. It has the designation NGC 7092 in the New General Catalogue.
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Messier 38 (M38), also known as the Starfish Cluster, is an open star cluster located in the northern constellation Auriga. The cluster lies at a distance of 4,200 light years from Earth. With an apparent magnitude of 7.4, it is invisible to the naked eye. M38 has the designation NGC 1912 in the New General Catalogue.
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Messier 37 (M37) is an open cluster in the constellation Auriga. It has the designation NGC 2099 in the New General Catalogue. M37 is the brightest, richest and largest of the three open clusters in this constellation that were catalogued by Messier. It has an apparent magnitude of 6.2 and lies at a distance of 4,511 light years from Earth.
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