67P/Churyumov-Gerasimenko

 “A compilation of the brightest outbursts seen at Comet 67P/Churyumov-Gerasimenko by Rosetta’s Osiris (Optical, Spectroscopic, and Infrared Remote Imaging System ) narrow-angle camera and navigation camera between July and September 2015. After nearly two years apart, Europe’s Rosetta spacecraft will join its stranded robot probe Philae on 30 September on the icy surface of the comet.”

Via