Celestial hemisphere:  Southern  ·  Constellation: Canis Major (CMa)  ·  Contains:  NGC 2359
Thor's Helmet (NGC 2359), Stephan Gabos
Thor's Helmet (NGC 2359)
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Thor's Helmet (NGC 2359)

Thor's Helmet (NGC 2359), Stephan Gabos
Thor's Helmet (NGC 2359)
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Thor's Helmet (NGC 2359)

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Description

Thor’s Helmet is an emission nebula in the constellation Canis Major. The name of is from its striking resemblance to the helmet of the famed Norse God of thunder and lightning. This nebula is composed of cosmic dust and gas, which is revealed to have red, blue-green apparance through HaLRGB visualisation. NGC 2359 spans roughly 30 light-years across, and appears as an interstellar bubble that has been inflated by a central Wolf-Rayet star.

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Thor's Helmet (NGC 2359), Stephan Gabos