DWB111 - The Propeller Nebula
DWB-111 Propeller Nebula is an emission nebula in the constellation Cygnus. The Propeller Nebula is actually part of a much larger nebular complex which are common in this area of the sky. The Propeller Nebula is comprised of Ha and some SII very little OIII is available. There is very little known about this object, distance to this object or the source of excitation is unknown.
Source: Bill Snyder Astrophotography where he has a great image of DWB111 with the Ha, OIII and SII as a reference. billsnyderastrophotography.com/?page_id=4775
Taken at McLean Illinois at the Sugar Grove Nature Center on Nov 9 and 20, 2016
This is a bicolor narrowband image composed of Ha and OIII of 20 x 300 each, this image would have benefit for SII.
Hardware: SBIG ST8300M, Astro-Tech RC8 on an Orion Atlas Mount
Processed with CCDStack and Photoshop CS3