The conspicuous star cluster in the Coma Berenices constellation is commonly designated Mel 111 since it appeared in Melotte's 1915 catalogue of star clusters,Melotte, P. J. "A Catalogue of Star Clusters shown on Franklin-Adams Chart Plates", MmRAS, 1915 but not in Charles Messier's famous catalogue of deep sky objects or in the New General Catalogue since it was not proved to be a true cluster until 1938 by the astronomer R J Trumpler.The Coma Berenices star cluster (Melotte 111)
