by Robert Gillette
NGC 6781 is a small (1.9' x 1.9) planetary nebula in Aquila, about 2,600 LY distant.
Scope: ASA 12-inch F/3.62
Camera: StarlightXpress H9C
Exposure: 76 minutes on 20 July in central New Hampshire
Software: Acquired in MaxIm 4.62, processed in CCD Stack and CS4 with Noel Carboni actions.