Celestial hemisphere:  Southern  ·  Constellation: Canis Major (CMa)  ·  Contains:  HD57008  ·  HD57027  ·  HD57057  ·  HD57083  ·  IC 468  ·  LBN 1040  ·  LBN 1041  ·  NGC 2359  ·  Sh2-298
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WIDE-FIELD VIEW OF NGC  2359 ( THOR'S HELMET), Brian Diaz
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WIDE-FIELD VIEW OF NGC 2359 ( THOR'S HELMET)

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WIDE-FIELD VIEW OF NGC  2359 ( THOR'S HELMET), Brian Diaz
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WIDE-FIELD VIEW OF NGC 2359 ( THOR'S HELMET)

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Description

NGC 2359 (also known as Thor's Helmet) is an emission nebula in the constellation Canis Major. The nebula is approximately 3,670 parsecs (11.96 thousand light years) away and 30 light-years in size. The central star is the Wolf-Rayet starWR7, an extremely hot star thought to be in a brief pre-supernova stage of evolution. It is similar in nature to the Bubble Nebula, but interactions with a nearby large molecular cloud are thought to have contributed to the more complex shape and curved bow-shock structure of Thor's Helmet.
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WIDE-FIELD VIEW OF NGC  2359 ( THOR'S HELMET), Brian Diaz