Albert Marth discovered NGC 3337 = m 197 on 22 Mar 1865 and noted "eF, vS, alm stellar." His position matches CGCG 037-119 = PGC 31860.
400/500mm - 17.5" (3/22/96): very faint, small, round, 30" diameter. Two mag 11.5 stars lie 1.8' and 3.1' SW. Located 11.4' WSW of NGC 3341.
Notes by Steve Gottlieb