John Herschel discovered NGC 6893 = h3825 on 7 Jul 1834 and recorded "pF; R; svmbM to a * 12m; 20"." His position is accurate.
200/250mm - 8" (7/13/91 - Southern Baja): very faint, small, almost round, gradually brightens. Located 4.0' NNW of mag 9 HD 193199.
Notes by Steve Gottlieb