You are viewing a part of the Gamma Cygni Nebula Complex. Much of the nebulosity in this area is quite faint and is composed mainly of hydrogen although other elements are present including
oxygen and sulfur. The area of dark nebulosity just above center near the left side of this image is Barnard 343.
OTA: William Optics Star71
Camera: Atik 460ex w/EFW2 filter wheel
Filters: Astrodon Ha/OIII/SII
Mount: CGEM DX
Exposure: Ha:SII:OIII 180:150:150 (m)
Data obtained: July 2014