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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