This image was the first prize in the 2013 contest.
See details here:
NGC 6188 is an emission nebula located about 4,000 light years away in the constellation Ara.
The bright open cluster NGC 6193, visible to the naked eye, is responsible for a region of reflection nebulosity (The Bluish region at the upper part of the image)(WIKI)
At the lower Right - the Bipolar NGC 6164 and 6165 (see next image...)
Imaged with the 16" f3.75 Dream Astrograph.
Apogee Alta U-16M camera.
Ha - 60 min
RGB 20 minutes per channel
(Total of 2 HRS)
Imaged from Tivoli farm in Namibia June 2012.