John Herschel discovered NGC 2456 = h467 on 10 Feb 1831 (sweep 324) and recorded "vF; R; vgbM; and losing itself imperceptibly." His position is at the south edge of UGC 4073 = PGC 22129.
400/500mm - 17.5" (1/19/91): faint, small, slightly elongated, broad mild concentration. A mag 14 star is 1.2' SSE. Forms a pair with NGC 2457 5' ENE.
Notes by Steve Gottlieb