Western Veil Nebula (NGC 6960)
The Veil Nebula complex, NGC 6992/95 (Estern Veil), Pickering’s Triangle and NGC 6960 (Western Veil) are remnants of a single supernova explosion about 15’000 years ago. The whole objects spans some 3° of summer sky in the constellation of Cygnus. The nebula was discovered by William Herschel 1784.
This image shows the Western Veil and is a composite of RGB and Ha/OIII data. The bright star is 4.2 mag 52 Cygni, an unrelated foreground star.
[description from wikipedia]