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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Messier 79 (M79) is a globular cluster located in the northern constellation Lepus, the Hare. The cluster lies at a distance of 41,000 light years from Earth and has an apparent magnitude of 8.56. It has the designation NGC 1904 in the New General Catalogue.
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Messier 50 (M50), nicknamed the Heart-Shaped Cluster, is a large, bright open cluster located in the constellation Monoceros. The cluster has an apparent magnitude of 5.9 and lies at an approximate distance of 3,200 light years from Earth. It has the designation NGC 2323 in the New General Catalogue.
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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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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 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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