M7

m39,open cluster in cygnus,ngc 7092

Messier 39

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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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m34,ngc 1039

Messier 34

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Messier 34 (M34) is a bright, large open cluster located in the northern constellation Perseus. The cluster lies at an approximate distance of 1,500 light years from Earth and has an apparent magnitude of 5.5. It has the designation NGC 1039 in the New General Catalogue.
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andromeda galaxy,ngc 224

Messier 31: Andromeda Galaxy

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Messier 31 (M31), better known as the Andromeda Galaxy, is a large spiral galaxy located in the constellation Andromeda. Lying at a distance of 2.54 million light years from Earth, the Andromeda Galaxy is the nearest major galaxy to our own. It is on a collision course with our home galaxy, the Milky Way. Messier 31 has an apparent magnitude of 3.44. Its designation in the New General Catalogue is NGC 224.
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messier 7,ptolemy cluster,m7

Messier 7: Ptolemy’s Cluster

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Messier 7 (M7), also known as Ptolemy’s Cluster, is a bright open cluster in Scorpius constellation. The cluster lies at an approximate distance of 980 light years from Earth. It has the designation NGC 6475 in the New General Catalogue. With a visual magnitude of 3.3 and an apparent diameter of 80 arc minutes – more than twice the apparent size of the full Moon – Ptolemy’s Cluster is an easy naked-eye target.
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