North is ~ to the
left. The image is rotated 70 degrees CCW.
The Western Veil, NGC
6960, commonly named The Witch's Broom, is part of the Veil Nebula,
which is also known as the Cygnus Loop. The Veil nebula is located
in the constellation, Cygnus, at a distance of about 1400 light-years. Its
apparent size is more than five times the full Moon.
The Veil Nebula is a supernova remnant of heated and ionized gas.
The source supernova exploded some 10,000 to 20,000 years ago.
This image, captured
with a hydrogen-alpha filter, shows the extent of the hydrogen gas.