Veil Nebula - The Veil Project Phase I: The Overview
Supernova remnant in Cygnus also known as Filamentary Nebula and Cygnus Loop (I just love this name).
When a star, 20 times larger than Sun, decided to blow itself up about 20,000 years ago, it created this gigantic nebula in the sky. The diameter of this object is six times the apparent diameter of the Moon. Neutron star that remained where the core of the dead star was situated emits huge amounts of electro-magnetic radiation that ionizes gases making them glow in their respective shades of color. Hydrogen glows in red, Oxygen in green etc. It grows at astonishing speed of 1.5 million kilometers per hour in every direction. It was discovered on 5 September 1784 by William Herschel.
Distance: 2,400 light years; Diameter: 65 light years; Apparent magnitude 7.
Location: Kosmaj (Bortle 4), Serbia;
Lens: Meyer Gorlitz Trioplan 2.8/100 @ f/4;
Mount: SW EQ6-R;
Camera: ZWO ASI294MC Pro @ -10C Gain 200;
Filter: Optolong L-eNhance;
Integration: 3h 30min (70x3min);
Camera rotation: 90 degrees (Which makes celestial North be on the right);
Post processing: PixInsight and assisted by Luger in Photoshop.