Location of Photo:
Pommier Observatory, Portland, OR, USA
Date/Time of photo:
2014-08-04 through 2014-08-24
Telescope/Mount: Celestron Compustar C14 with AstroPhysics 0.75x focal reducer (f/8) Camera: SBIG STL 11000M with Baader Planetarium HaRGB filters. SBIG AO-L Adaptive Optics @4.5 Hz. Exposures: HaLRGB=570:130:130:130=16 hours total exposure.
DWB 111, also known as the Propeller Nebula is a hydrogen-alpha emission nebula in Cygnus. The propeller shape is actually a small portion of a much larger emission nebula, which can be seen as faint red hydrogen-alpha nebulosity throughout the image frame. The distance to the nebula is not known.