Emission Nebula

orion nebula

Messier 42: Orion Nebula

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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 Orion Nebula is one of the brightest nebulae in the sky and is visible to the naked eye. It lies at a distance of 1,344 light years from Earth and is the nearest stellar nursery to Earth. The nebula has the designation NGC 1976 in the New General Catalogue.
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trifid nebula,ngc 6514

Messier 20: Trifid Nebula

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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 17,omega nebula,m17,m17 nebula

Messier 17: Omega Nebula

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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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m8,lagoon nebula,ngc 6523

Messier 8: Lagoon Nebula

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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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