Arnold Schwassmann discovered IC 3211 = Sn. 93 on 13 Feb 1900 from a plate taken with the 6" astrograph at the Königstuhl Observatory in Heidelberg. He noted "eF, S." Listed as NGC 4307A in the RNGC.
400/500mm - 17.5" (3/24/90): extremely faint and small, round. Located 3' S of NGC 4307. Identified in the RNGC as NGC 4307A.
Notes by Steve Gottlieb