M17 - The Swan nebula

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The Swan nebula or Omega Nebula, M17 lies in the constellation of Sagittarius and is some 5000-6000 light years away.


This photo was taken on the nights of 19 and 20 June 2014 with a William Optics Megrez 90 telescope and Astrodon narrow band filters. 600s x12 of Ha and 600s x8 each of OIII and SII with an Atik 460EX CCD camera.