Named in memory of Robert A. Naef (1907–1975) of Zurich, an ardent amateur astronomer, who since 1940 spent practically all his spare time (from the banking business) to produce the yearly observers almanac, Der Sternenhimmel. (M 4157) _ _.
Avastatud: 5-9-1972 Avastamiskoht: Zimmerwald Avastajad: Wild, P.