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The Crab Nebula (Messier 1), also known by its catalog number NGC 1952, is the remnant of a supernova explosion recorded in 1054 by Chinese and Arab astronomers. Located in the constellation Taurus, it lies approximately 6,500 light-years from Earth. Today it is observable across nearly the entire electromagnetic spectrum and is regarded as a key reference object for multi-wavelength observations. Location and Basic Properties Catalog Designations: Messier 1 (M1), NGC 1952, Taurus A Constellatio