This nebula, designated DWB 111, is more commonly known as the Propeller Nebula. It is actually only a small part of a much larger emission nebula in the constellation Cygnus. It is also very faint.
Telescope: Celestron Compustar C14.
Exposures: HaLRGB=570:130:130:130=16 hours total exposure with Adaptive Optics @4.5 Hz at f/8.
This image was published in the October, 2017 issue of Astronomy Magazine.