NGC 6618, Swan/Omega/Horseshoe Nebula, Messier 17

Posted 2007 July 19

© 2007 D. Duprez

The Swan Nebula (NGC 6618, Messier 17) photographed by Dany Duprez in the light of ionized hydrogen and oxygen. He combined exposures taken through H-α and O-III filters, using a Meade DSI camera, to create the composite image.

The image below shows (left) the H-α and (right) the O-III view.

© 2007 D. Duprez

Keywords: Astronomy, deepsky observing, deep sky observing, astrophotography, Dany Duprez

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