Sh2-103 | The Cygnus Loop

The Cygnus Loop is a large supernova remnant in the constellation Cygnus, an emission nebula measuring nearly 3° across. Some arcs of the loop, known collectively as the Veil Nebula or Cirrus Nebula, emit in the visible electromagnetic range, whilst other parts in the radio, infrared, and X-ray range

July 14, 2021

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HOO Version using Ha for the Red channel and Oiii for the Blue and Green

Starless Version

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