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NGC7000 Halpha in 3D, Andreas Zeinert

NGC7000 Halpha in 3D

Getting plate-solving status, please wait...
NGC7000 Halpha in 3D, Andreas Zeinert

NGC7000 Halpha in 3D

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Description

This is a false colour picture derived from a single Ha image of NGC7000 shown in my gallery. No other wavelengths than Ha. The Ha image has been treated with Pixinsight using the local histogram equalization (LHE) on three different kernel radius. LHE allows areas of lower local contrast to gain a higher contrast. The kernel size gives the radius of the area which is evaluated for the LHE. Here, the red colour is attributed to a medium kernel radius, the green to the small one and the blue to the highest one. As a result you get a quasi 3-D picture which allows a better appreciation of the nebula structure. The aim is not esthetics, but increase of information lying in the Ha data. Enjoy !

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Histogram

NGC7000 Halpha in 3D, Andreas Zeinert