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Cygnus Loop

The Cygnus Loop (radio source W78, or Sharpless 103) is a large supernova remnant (SNR) in the constellation Cygnus, an emission nebula measuring nearly 3° across.[1] Some arcs of the loop, known collectively as the Veil Nebula or Cirrus Nebula, emit in the visible electromagnetic range.[1] Radio, infrared, and X-ray images reveal the complete loop.
Backyard image with Stellarvue 80mm Access [email protected], ZWOASIO71 P, Skywatcher E6R-Pro mount

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