Albert Marth discovered NGC 6922 = m 415 on 24 Jul 1863 and noted "vF, pL, R." His position (noted as verified) is accurate.
400/500mm - 17.5" (7/16/88): faint, round, diffuse, fairly even surface brightness
17.5" (8/1/86): moderately large, almost round, diffuse, pretty low even surface brightness with no core. A very faint star is at the west edge and mag 8.7 SAO 144498 is 7.0' N.
Notes by Steve Gottlieb