Thor's Helmet - NGC 2359, ADBjester

Thor's Helmet - NGC 2359

Thor's Helmet - NGC 2359, ADBjester

Thor's Helmet - NGC 2359

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Acquisition details

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Description

NGC 2359 is anchored by a Wolf-Rayet star, in a pre-supernova stage of evolution. It is normally imaged in LRGB looking like this: apod.nasa.gov/apod/ap070130.html

I decided to try it in a rarer narrowband, and in the Hubble Palette. This is 90 minutes each of Hydrogen-Alpha, Oxygen-III, and Sodium-II (which has very low signal in this object, which is why the reds are so dim).

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Histogram

Thor's Helmet - NGC 2359, ADBjester