Best Canis Major
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An emission nebula in Canis Major spanning about 30 light-years, shaped by fierce stellar winds from the central Wolf-Rayet star WR 7 pushing into surrounding interstellar gas.
Emission nebula in Canis Major ~15,000 light-years distant, sculpted by the powerful stellar winds of Wolf-Rayet star WR 7 into a bubble flanked by bright arcs resembling a horned helmet.
Emission nebula in Canis Major roughly 15,000 light-years away, shaped by stellar winds from central Wolf-Rayet star WR 7 into a distinctive helmet-with-wings form.
Thor's Helmet Nebula is NGC 2359, an emission nebula in Canis Major blown by the Wolf-Rayet star WR 7 into a helmet-like shell.
A faint emission bubble in Canis Major driven by the stellar winds of Wolf-Rayet star EZ CMa, spanning roughly 60 light-years and catalogued in Sharpless's 1959 HII region list.
