GALLERY
74 FEBRUARY 2020 • SKY & TELESCOPE
WOLF-RAYET BUBBLE
Douglas Struble
The colorful gas shell of WR 134 in Cygnus is
the result of an energetic Wolf-Rayet star at the
center of the image emitting intense radiation.
DETAILS:Explore Scientifi c ED152 refractor with
ZWO ASI1600MM-Pro CMOS camera. Total
exposure: more than 19 hours through Hα and
O III narrowband fi lters.