Nova Shell Around Z Camelopardalis

GALEX Finds Link Between Big and Small Stellar Blasts |  Proof that certain double-star systems can erupt in full-blown explosions and then continue to flare up with smaller bursts has been spotted by the ultraviolet eyes of NASA’s Galaxy Evolution Explorer, with help from data including narrowband images taken at Kitt Peak National Observatory.

For more, see http://www.galex.caltech.edu/