There are three subthreshold stars just E of the nebula. The brightest of them is Vm 18.85 in USNOA2. The star just off the nebula's SE edge, which I did see, is Vm 16.7. Here is the observation and sketch (note the arrow indicating north). The mentioned OIII is more like an UHC.
2020-07-11, Spruce Knob (elev. 4800 ft), SQM 21.72-21.74. 20-inch Newtonian (F/4). Abell 69, Cyg. Observed with 5.5 mm ocular [360x] with and without OIII filter. The nebula is very small, round, immediately NW of a faint star (right of center in the sketch).
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