Royal H. Frost discovered IC 3349 = F. 904 on a plate taken on 10 May 1904 at Harvard's Arequipa station using the 24" f/5.6 Bruce photographic refractor. He noted "vS, R, lbM, magn 15."

600/800mm - 24" (4/28/14): very faint, very small, round, 12" diameter, low surface brightness. Located 10' SSE of NGC 4413 in the core of the Virgo cluster.

Notes by Steve Gottlieb