Messier 28 (M28) is a class IV globular star cluster located in the constellation Sagittarius. The cluster has an apparent magnitude of 7.66 and lies at a distance of 17,900 light years, or 5,500 parsecs, from Earth. Its designation in the New General Catalogue is NGC 6626.
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Messier 27 (M27), also known as the Dumbbell Nebula, Diabolo Nebula or Apple Core Nebula, is a planetary nebula in Vulpecula. The Dumbbell Nebula is large in size and quite bright, which makes it a popular object among amateur astronomers. It can be seen in binoculars and small telescopes.
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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 24 (M24), also known as the Sagittarius Star Cloud, is a large Milky Way star cloud in Sagittarius constellation. The Sagittarius Star Cloud lies at an approximate distance of 10,000 light years from Earth and has an apparent magnitude of 4.6. It has the designation IC 4715 in the Index Catalogue of Nebulae and Clusters of Stars.
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Messier 20 (M20), also known as the Trifid Nebula, is a famous star-forming region located in the constellation Sagittarius. The nebula’s designation in the New General Catalogue is NGC 6514. The name Trifid refers to its three-lobed appearance. Messier 20 consists of several different objects: an emission nebula, a reflection nebula, a dark nebula and an open star cluster.
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Messier 19 (M19) is a globular cluster located in the southern constellation Ophiuchus. The cluster has an apparent magnitude of 7.47 and lies at a distance of 28,700 light years, or 8,800 parsecs, from Earth. It has the designation NGC 6273 in the New General Catalogue.
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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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