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m73,m73 asterism

Messier 73

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Messier 73 (M73) is an asterism formed by four physically unrelated stars located in the southern constellation Aquarius. The asterism has an apparent magnitude of 9 and lies at an approximate distance of 2,500 light years from Earth. It has the designation NGC 6994 in the New General Catalogue.
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m71,m71 globular cluster

Messier 71

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Messier 71 (M71) is a globular cluster located in the small northern constellation Sagitta, the Arrow. The cluster lies at an approximate distance of 13,000 light years from Earth and has an apparent magnitude of 6.1. It has the designation NGC 6838 in the New General Catalogue.
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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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m26,ngc 6694

Messier 26

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Messier 26 (M26) is an open cluster located in the constellation Scutum. The cluster has an apparent magnitude of 8.0. Messier 26 lies at an approximate distance of 5,000 light years from Earth. Its designation in the New General Catalogue is NGC 6694. The cluster occupies an area of 15 arc minutes, corresponding to a linear diameter of 22 light years.
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messier 17,omega nebula,m17,m17 nebula

Messier 17: Omega Nebula

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Messier 17 (M17), also known as the Omega Nebula, is a famous star-forming nebula located in the southern constellation Sagittarius. The diffuse emission nebula lies near the constellation’s northern border with Scutum, at a distance of 5,000 to 6,000 light years from Earth. It has an apparent magnitude of 6.0.
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