The Great Diamond, or Diamond of Virgo, is a prominent spring asterism formed by the bright stars Cor Caroli in Canes Venatici constellation, Arcturus in Boötes, Spica in Virgo, and Denebola in Leo. The asterism shares the stars Arcturus and Spica with the Spring Triangle, an asterism formed by these two stars with Regulus, the brightest star in Leo.
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The galaxy is also sometimes called the Evil Eye Galaxy or Sleeping Beauty Galaxy. It has the designation NGC 4826 in the New General Catalogue.
M64 lies at an approximate distance of 24 million light years from Earth. It is known for the enormous light-absorbing dust band in front of its central region, which has earned the galaxy the names Black Eye or Evil Eye. The dust band obscures the stars in the galaxy’s bright core.
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