NGC 6960 - Western Veil Nebula

NGC 6960, also known as the Western Veil Nebula or Witch’s Broom Nebula, is a particularly striking part of the large Veil Nebula complex in the constellation Cygnus. This delicate nebular region belongs to the so-called Cygnus Loop, the remnant of a powerful supernova explosion that occurred about 10,000 years ago. Since then, the expanding shock wave has been interacting with the surrounding interstellar medium, causing gas clouds to glow.

The Veil Nebula lies at a distance of roughly 2,400 light-years and spans about 120 light-years across. NGC 6960 marks the western edge of the expanding gas shell. Its characteristic filamentary structures form along the shock front, where material from the supernova collides with interstellar gas. Particularly notable is the bright foreground star 52 Cygni, which appears embedded within the nebula but is actually unrelated and only lies along the same line of sight.

The glowing filaments consist mainly of ionized hydrogen and doubly ionized oxygen, excited by the energy of the shock wave and producing the nebula’s fine, veil-like appearance. The image was captured using a dual-band filter, allowing the emission lines of ionized hydrogen (H-alpha) and oxygen (O III) to be highlighted with strong contrast, revealing the intricate gaseous filaments in remarkable detail

Shooting Data