The Western Veil Nebula is the western arc of the Veil Nebula, also known as the Cygnus Loop, a vast supernova remnant roughly 2,000 light-years away. It is cataloged as NGC 6960 and Caldwell 34 and marks one portion of the expanding debris from a massive star that exploded several thousand years ago.

The long, threadlike filaments are shock fronts where the supernova blast wave is plowing into surrounding interstellar gas. Hydrogen emission traces much of the red structure, while doubly ionized oxygen produces the striking blue-green ribbons that give narrowband images of the Veil their electric appearance.

The bright star seemingly embedded in the nebula is 52 Cygni. It is not part of the supernova remnant, but its position directly against the Western Veil makes it one of the easiest landmarks for locating this section of the Cygnus Loop. The combination of that bright star and the sweeping filament is also why this object is often nicknamed the Witch’s Broom.

The Western Veil lies in Cygnus, the Swan, a constellation that carries several overlapping Greek traditions. Some stories connect the swan with Zeus, while others identify Cygnus with a mortal transformed into a swan after an act of grief or devotion.

The nebula itself was far too faint for ancient observers to recognize, so names such as the “Witch’s Broom” are modern descriptions inspired by its shape. Through a telescope or deep image, the western arc resembles a broom, feather, or torn veil stretched across the star field.

That contrast fits the region especially well: Cygnus supplies the ancient celestial figure, while modern astronomy reveals an immense stellar explosion hidden inside it. The delicate filaments we see today are not a quiet cloud but the still-expanding aftermath of a star’s destruction.