Messier 78 (M78) is a reflection nebula located in the northern constellation Orion, the Hunter. M78 is the brightest diffuse reflection nebula in the sky. It has an apparent magnitude of 8.3 and lies at an approximate distance of 1,600 light years from Earth. It has the designation NGC 2068 in the New General Catalogue.
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The Merope Nebula is a faint reflection nebula and suspected supernova remnant located in the Pleiades cluster (M45). The nebula surrounds the star Merope (23 Tauri), after which it gets its name. It has the designation NGC 1435 in the New General Catalogue.
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The Maia Nebula is a bright reflection nebula found in the Pleiades cluster (M45). The nebula has the designation NGC 1432 in the New General Catalogue. It occupies an area about 1.6 by 1.4 light years across.
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Messier 43 (M43), also known as De Mairan’s Nebula, is a star-forming region located in the constellation Orion. M43 has an apparent magnitude of 9.0… Read More »Messier 43: De Mairan’s Nebula
Messier 42 (M42), the famous Orion Nebula, is an emission-reflection nebula located in the constellation Orion, the Hunter. With an apparent magnitude of 4.0, the… Read More »Messier 42: Orion Nebula
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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