The Veil Nebula
A cloud of heated and ionized gas and dust in the constelation of Cygnus constitutes what is left after a supernova explosion of a star 20 times larger than our sun, about 10000 to 20000 years ago:
https://en.wikipedia.org/wiki/Veil_Nebula
Telescope: William Optics Megrez 72 FD + 0.8x Reducer/FF
Mount: Skywatcher HEQ5
Camera: ZWO Asi 294 MC Pro
Guiding: 50mm Finder + Zwo Asi 120MC-S
Exposure: 5h24' (108 Lights x 3', 20 Darks, 20 Flats) with Optolong l-eNhance
Bortle 5
Location: Mainz, Rheinland-Pfalz, Germany
© Konstantinos Giannouloudis