NGC 6960, The Veil Nebula is a cloud of heated and ionized gas and dust in the constellation Cygnus.
The Veil Nebula is one of the best-known supernova remnants. It formed from the violent death of a star, twenty times the mass of our Sun, that exploded about 8000 years ago. Located roughly 2100 light-years from Earth, in the constellation of Cygnus (The Swan), 

Technical info:
TS 80mm f6 APO triplet refractor -

Canon 40D MONO (de-bayered sensor) + 12Nm Ha filter exposure ~12 hours
ZWO ASI 071 MC Pro + LPS-P2 filter - exposure 19x360sec (2h 24min)
Re-processed using Astro Pixel Processor

Total integration: 14 hrs 24 min