Albert Marth discovered NGC 4991 = m 246 on 30 Apr 1864 and noted "vF, vS." His position is within 1' of CGCG 044-013 = PGC 45604.

400/500mm - 18" (5/16/09): extremely faint, very small, round, 15" diameter, requires averted vision to view. A nice elongated group of 4 brighter stars (including mag 8.2 HD 114191) and some fainter stars lies ~12' S.

Notes by Steve Gottlieb