Albert Marth discovered NGC 6037 = m 301, along with NGC 6036, on 23 Jul 1864 and noted "vF, S."
400/500mm - 17.5" (6/11/88): very faint, very small, round, broad concentration, can just hold steadily with direct vision. Pair with NGC 6036 3.3' N.
Notes by Steve Gottlieb