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

Thor's Helmet (NGC 2359), Wintyfresh
Thor's Helmet (NGC 2359)
Powered byPixInsight

Thor's Helmet (NGC 2359)

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Description

Thor's Helmet (NGC 2359) is an interstellar bubble blown as a fast wind fdrom the bright, massive Wolf-Rayet star near the bubble's center. The predominant bluish hue is strong emission from doubly ionized oxygen atoms in the glowing gas.

69x300" 2" Baader 7nm Ha Filter
56x300" 2" Baader 8.5nm Oiii Filter
48x300" 2" Baader 7nm Sii Filter

ZWO asi2600mm-pro, Skywatcher Evostar 150mm Apo, Starizona ApexED-L .65 reducer ZWO asi290mc in a Skywatcher Evoguide50 guiding a Skywatcher EQ8-R Pro Mount. Captured with NINA, processed in PixInsight. Combined Ha and Sii for Red, 10% Sii and Oiii for Green, and Oiii for Blue. Star color is a little weird but it's fun to experiment!

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Thor's Helmet (NGC 2359), Wintyfresh