Messier 42

ngc 2024,emission nebula in orion

Flame Nebula

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The Flame Nebula is an emission nebula located in the constellation Orion, the Hunter. The nebula lies at an approximate distance of 1,350 light years from Earth and has an apparent magnitude of 2. It has the designation NGC 2024 in the New General Catalogue.

The Flame Nebula occupies an area of 30 arcminutes of apparent sky. It is part of a vast star forming region known as the Orion Molecular Cloud Complex.
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ngc 2174,stellar nursery

Monkey Head Nebula

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The Monkey Head Nebula is an emission nebula located in the constellation Orion, the Hunter. The nebula is an H II region, a large cloud of ionised gas in which new stars are being formed. The low-density cloud is a site of intense star formation.

The Monkey Head Nebula lies about 6,400 light years from Earth. It is associated with the open cluster NGC 2175. It has the designation NGC 2174 in the New General Catalogue.
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Horsehead Nebula (Barnard 33)

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The Horsehead Nebula is a famous diffuse dark nebula found in the Orion Molecular Cloud Complex in the constellation Orion.

It is a dark cloud composed of dust and gas where star formation is taking place. The nebula is also known as Barnard 33, and is located in the emission nebula IC 434. The Horsehead Nebula is approximately 1,500 light years distant from Earth.
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