Celestial hemisphere:  Southern  ·  Constellation: Canis Major (CMa)  ·  Contains:  NGC 2359
NGC2359 - Thor's Helmet Widefield, Graeme Coates
NGC2359 - Thor's Helmet Widefield
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NGC2359 - Thor's Helmet Widefield

NGC2359 - Thor's Helmet Widefield, Graeme Coates
NGC2359 - Thor's Helmet Widefield
Powered byPixInsight

NGC2359 - Thor's Helmet Widefield

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Description

This data was taken in Feb 2020 and I've been having a go at this data for some time now, but frequently landing up going back to square one - here is an RGB+HOO rendition of a well knwn nebula in Canis Major - NGC2359 or Thor's Helmet.

The nebula surrounds the massive, hot star WR7 - a Wolf-Rayet star that is sweeping up the interstellar medium wth the strong stellar outflows. The nebula is very bright in the [OIII] wavelengths as well as H-Alpha. In addition, in this wide field view, extended fainter hydrogen emission is also apparent. Also, to the above-right of NGC2359 is the smaller faint planetary nebula PHR J0719-1222.

The open cluster Haffner 6 sits above (east), and Berkeley 36 is below (to the west).

Taken from EEYE - Feb 2020. This is an RGB image, with HOO data brought into the image using PI's Pixelmath. There was very little SII data - it was swamped by HA/OIII so didn't really bring anything to the image.

Image capture: Paul Tribe, Graeme Coates

Processing: Graeme Coates

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NGC2359 - Thor's Helmet Widefield, Graeme Coates