The theme for the third Challenge - May 2017 - is 30 Second Exposures! Start Date: 1st May 2017 End Date: 31st July 2017 Any image that fits the theme ‘30 Second Exposures’ will be accepted. We are not looking for anything specific. It might be an artistic single frame, a ‘lucky shot’ or a highly planned, multi-night epic! The winning image will be whichever one the judges like best! Feel free to use whatever equipment you like and stack as much data as you like but each single frame