Messier 105 (M105) is an elliptical galaxy located in the northern constellation Leo. The galaxy lies at a distance of 32 million light years from Earth and has an apparent magnitude of 10.2. Its designation in the New General Catalogue is NGC 3379.
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Messier 103 (M103) is an open star cluster located in the northern constellation Cassiopeia. The cluster lies at a distance of 10,000 light years from Earth and has an apparent magnitude of 7.4. Its designation in the New General Catalogue is NGC 581.
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Messier 102 (M102), also known as the Spindle Galaxy, is an edge-on lenticular galaxy located in the northern constellation Draco. The galaxy lies at a distance of 50 million light years from Earth and has an apparent magnitude of 10.7. It has the designation NGC 5866 in the New General Catalogue.
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Messier 101 (M101), also known as the Pinwheel Galaxy, is a spiral galaxy located in the constellation Ursa Major, the Great Bear. The Pinwheel Galaxy has an apparent magnitude of 7.86 and lies at a distance of 20.9 million light years from Earth. It has the designation NGC 5457 in the New General Catalogue.
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Messier 74 (M74), nicknamed the Phantom Galaxy, is a grand design spiral galaxy located in the constellation Pisces. The galaxy appears face-on and has an apparent magnitude of 10. It lies at an approximate distance of 30 million light years from Earth. Its designation in the New General Catalogue is NGC 628.
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