Sh2-119 also known as the Clamshell nebula is a large emission complex in Cygnus, surrounding the bright star 68 A Cyg. Several dark dust lanes and globules cross the nebula creating suggestive dark filaments.

15hrs total integration time in narrowband SHO palette (5hrs Ha/Oiii/Sii each). High resolution here

starless version enhancing the dense nebulosity

Caprile Observatory

Caprile Astronomical Observatory, Astrophotography, located in Tuscany (Italy) countryside. A photographic journey across the marvels of the universe | Galaxy | Nebulae | Deep Sky Objects