Eta Carinae (Bruce Rohrlach)

Celestial hemisphere: Southern · Constellation: Carina (Car) · Contains: NGC 3372 · eta Car nebula

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Eta Carinae

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Eta Carinae

My first narrowband images of a nebula (unguided). This is the impressive Eta Carinae nebula (NGC 3372) which I imaged last night over 3 hours within the constellation of Carina, within the Sagittarius Arm of the Milky Way. This area of nebulosity, star birth and star death, lies between 6,500 and 10,000 light years from earth, so here you are seeing Eta Carinae as it existed around the dawn of civilisation on earth. Eta Carinae is wider than the full moon in angular dimension or visual area of the sky.

Light from the Hydrogen (Ha), Oxygen (OIII) and Sulphur (SII) filters mapped to Red, Green and Blue respectively, hence the strong magenta hues (a blend of red and blue) that map the dominant hydrogen and sulphur within the nebula gases. The yellow areas (mixture of red and green) map areas of hydrogen and oxygen.

ASI1600mm-Pro (sensor temp minus 15C), Skywatcher 8inch/f5 on NEQPro6.

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Astrometry.net job	2115773
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