The Cygnus Loop (radio source W78, or Sharpless 103) is a large supernova remnant in the constellation Cygnus, an emission nebula measuring nearly 3° across.
The 2" x 1.5" tag is made of light-weight aluminum. The picture is in full color, one side printing. Free 30" aluminum ball chain included. The photo is printed out on a high quality photo paper and coated with a top quality waterproof enamel that is crystal clear, with long time duration.