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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Messier 33 (M33), also known as the Triangulum Galaxy, is a famous spiral galaxy located in the small northern constellation Triangulum. The Triangulum Galaxy is the third largest galaxy in the Local Group, after the Andromeda Galaxy and the Milky Way. It is also the second nearest spiral galaxy to the Milky Way and the smallest spiral galaxy in the Local Group.
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Messier 8 (M8), also known as the Lagoon Nebula, is a large, bright emission nebula located in the constellation Sagittarius. The star-forming nebula has an apparent magnitude of 6.0 and lies at a distance of 4,100 light years from Earth. It has the designation NGC 6523 in the New General Catalogue.
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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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Messier 6 (M6), also known as the Butterfly Cluster, is a bright open cluster located in the southern constellation Scorpius. It lies in the direction of the galactic centre, at an approximate distance of 1,600 light years from Earth.
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