The Veil Nebula, also known as the Cygnus Loop or the Witch's Broom Nebula, is a large, relatively faint supernova remnant in the constellation Cygnus Poster Print (17 x 11) : Amazon.it:
Cygnus Loop Nebula
The Cygnus loop ( thecoldestnights ) - AstroBin
NGC 6992 (Cygnus Loop) | NOIRLab
Cygnus Loop Supernova Remnant - NASA
The Cygnus Loop
Image of La nebulosa Cygnus Loop, presa dal Galaxy Evolution Explorer della
Cygnus Loop | supernova remnant, nebula, stellar explosion | Britannica