NGC 6789 is the nearest blue compact dwarf galaxy and resides at a distance of 2.1 Mpc (close to the Local Group).

Lewis Swift discovered NGC 6789 = Sw. IV-75 on 30 Aug 1883 and noted "eeeF; pL; R; ee diff." His position is 1.4' south-southwest of UGC 11425.

400/500mm - 17.5" (8/13/88): fairly faint, fairly small, round, broad concentration. Appears fainter than CGCG mag of 13.7.

Notes by Steve Gottlieb