Albert Marth discovered NGC 6433 = m 345 on 9 Jul 1864 and noted "vF, S, pmE, bM." His position is accurate.
400/500mm - 17.5" (8/1/89): fairly faint, fairly small, very elongated NNW-SSE, small bright core. Pair with CGCG 199-014 4.3' N.
Notes by Steve Gottlieb