Lewis Swift discovered NGC 6764 = Sw. II-77 on 4 Jul 1885 and recorded "pF; pL; cE; sev vF stars involved." His position is on the west side of UGC 11407 and the involved stars are on the south side of the galaxy. Herbert Howe, observing with the 20-inch refractor in Denver in 1899-00, commented "the elongation is north and south. Four stars of mag 13.5 are involved, one near each end, and the others in the middle." Howe's description seems inaccurate.

300/350mm - 13.1" (10/20/84): fairly faint, diffuse, fairly small, slightly elongated WSW-ENE, very diffuse edges. Two or three faint stars are superimposed on the halo south of center although one of these may be a faint stellar nucleus. A nice double star is 6' WNW (mag 11/12 at 20"). Located on the Cygnus-Draco border.

600/800mm - 24" (6/29/16): at 260x; moderately bright, very elongated 5:1 WSW-ENE (central bar), ~1.7'x 0.35', broad weak concentration, sharp stellar nucleus. After careful viewing, a very low surface brightness halo surrounds the bar, which increased the size to ~1.7'x0.6'. Three mag 14-15 stars are at the south side including a 10" pair parallel to the major axis [25" south of the nucleus]. A faint non-stellar knot was visible at the ENE end of the bar. Occasionally it was elongated and angled towards the north. A matching knot was suspected (lower contrast) at the WSW end of the bar.

Forms a pair with LEDA 214715 2.7' ESE. At 260x, the companion appeared faint to fairly faint, small, slightly elongated E-W, 20"x16" or perhaps 15"x12", weak concentration, slightly brighter nucleus. Visible continuously at this magnification.

Notes by Steve Gottlieb