Mike O'Day:
Thor's Helmet ( NGC2359 ) in the constellation Canis Major - by Mike O'Day ( 500px.com/MikeODay ) - updated version 27 Jan 2018
Mike O'Day:
Nebulae and Clusters in the Small Magellanic Cloud (SMC ) - by Mike O'Day ( https://500px.com/mikeoday )
Mike O'Day:
The Fighting Dragons of Ara ( NGC 6188 ) - by Mike O’Day ( 500px.com/MikeODay )