NGC 2359 | Thor's Helmet Nebula (Rainbow SHO) (Federico Lorenzo Barra)

Celestial hemisphere: Southern · Constellation: Canis Major (CMa) · Contains: HD57008 · HD57027 · HD57057 · HD57083 · LBN 1040 · LBN 1041 · NGC 2359 · Sh2-298

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NGC 2359 | Thor's Helmet Nebula (Rainbow SHO)

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

Powered byPixInsight

NGC 2359 | Thor's Helmet Nebula (Rainbow SHO)

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

The Thor’s Helmet Nebula (NGC 2359) is a spectacular gas cloud that extends for about 30 light-years in the constellation Canis Major. At the center of the nebula lies a very hot and massive star, known as WR7, which belongs to the class of Wolf-Rayet stars. These stars are in a very advanced evolutionary phase and could explode into supernovae in the near future. The stellar wind of WR7 has carved out a bubble in the middle of the surrounding molecular cloud, creating the characteristic helmet shape with wings. The nebula shines due to the emission of oxygen atoms, which give it a greenish-blue color. The Thor’s Helmet Nebula is located about 15,000 light-years away from us and can be observed with a medium-power telescope on winter nights.

I used a Bundle Dataset from Telescope Live since I can't reach that level of detail with my current setup. I also followed @lukomatico's (Luke Newbould) method from his YouTube Channel.

Telescope.live
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Narrowband imaging
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Status	Advanced success
Started	...
Astrometry.net job	7488237
PixInsight job	JV0SUC2EE0KESDFPLZX2L5AZX49W204S
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	07h18m34s.200
RA (top/left)	07h17m35s.915
RA (top/right)	07h17m34s.150
RA (bottom/right)	07h19m32s.161
RA (bottom/left)	07h19m33s.837

Dec (center)	-13°13′32″.30
Dec (top/left)	-12°58′57″.57
Dec (top/right)	-13°27′40″.45
Dec (bottom/right)	-13°28′06″.34
Dec (bottom/left)	-12°59′23″.94

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NGC 2359 | Thor's Helmet Nebula (Rainbow SHO)

NGC 2359 | Thor's Helmet Nebula (Rainbow SHO)

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NGC 2359 | Thor's Helmet Nebula (Rainbow SHO)

NGC 2359 | Thor's Helmet Nebula (Rainbow SHO)

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