Rob Lyons, taken from Vancouver, Canada WR 134 in Cygnus, lies about 6,200 light-years away, surrounded by intricate wisps of ionized gas that it blew off in its exceptionally powerful stellar wind. This image combines 26 hours of 5-minute exposures using dual 8-inch telescopes — one with an Hα/OIII dual-band filter and one-shot color camera,Continue reading "Wind-blown shells"