Wilhelm Tempel discovered NGC 3580 = T I-32 in 1876. His position and description (a mag 14 star follows by 3 - 4 sec of time) matches CGCG 039-075 = PGC 34159.
400/500mm - 17.5" (5/4/02): faint, very small, 20" diameter (core), quasi-stellar nucleus. At moments there are faint extensions N-S. A mag 13 star lies 1.3' ESE of center.
Notes by Steve Gottlieb