Open Cluster

m103,open cluster m103,ngc 581

Messier 103

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Messier 103 (M103) is an open star cluster located in the northern constellation Cassiopeia.

The cluster lies at a distance of 10,000 light years from Earth and has an apparent magnitude of 7.4. Its designation in the New General Catalogue is NGC 581.
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m93,ngc 2447

Messier 93

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Messier 93 (M93) is an open star cluster located in the constellation Puppis. It lies at a distance of 3,600 light years from Earth. Messier 93 has the designation NGC 2447 in the New General Catalogue. The cluster has an apparent diameter of 22 arc minutes, roughly two thirds the size of the full Moon. This corresponds to a spatial extension of about 20 to 25 light years.
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king cobra cluster,m67,ngc 2682

Messier 67: King Cobra Cluster

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Messier 67 (M67), nicknamed the King Cobra Cluster, is an open cluster located in the northern constellation Cancer, the Crab. The cluster has an apparent magnitude of 6.1 and lies at an approximate distance of 2,610 to 2,930 light years from Earth. It has the designation NGC 2682 in the New General Catalogue.
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ngc 7654,m52,open cluster

Messier 52

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Messier 52 (M52) is a bright open cluster located in the northern constellation Cassiopeia. The cluster has an apparent magnitude of 5.0 and lies at an approximate distance of 5,000 light years from Earth. It has the designation NGC 7654 in the New General Catalogue.
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m48,ngc 2548,open cluster

Messier 48

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Messier 48 (M48) is an open star cluster located in Hydra, the largest constellation in the sky. The cluster has an apparent magnitude of 5.5 and lies at a distance of 1,500 light years from Earth. It has the designation NGC 2548 in the New General Catalogue.
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m47,ngc 2422

Messier 47

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Messier 47 (M47) is a bright open star cluster located in the southern constellation Puppis. The cluster lies at a distance of 1,600 light years from Earth and has an apparent magnitude of 4.2. It has the designation NGC 2422 in the New General Catalogue.
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m46,open cluster,ngc 2437

Messier 46

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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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messier 45,m45,seven sisters

Messier 45: Pleiades

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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 averageĀ  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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beehive cluster,m44,praesepe

Messier 44: Beehive Cluster

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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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