Messier 97 (M97), also known as the Owl Nebula, is a famous planetary nebula located in Ursa Major constellation. The nebula lies at a distance of 2,030 light years from Earth and has an apparent magnitude of 9.9. It has the designation NGC 3587 in the New General Catalogue.
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Messier 76 (M76), also known as the Little Dumbbell Nebula, is a planetary nebula located in the constellation Perseus. The nebula lies at an approximate distance of 2,500 light years from Earth and has an apparent magnitude of 10.1. It has the designations NGC 650 and NGC 651 in the New General Catalogue as it was once believed to consist of two separate emission nebulae.
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Messier 57 (M57), also known as the Ring Nebula, is a well-known planetary nebula located in the northern constellation Lyra. The Ring Nebula has an apparent magnitude of 8.8 and lies at an approximate distance of 2,300 light years from Earth. It has the designation NGC 6720 in the New General Catalogue.
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