Channel CoroHole

This image format emphasizes darker features in Solar coronal clouds...

This Channel is updated manually once in few days... The images are combined from SDO/AIA 193 and 171 channels to highlight darker features in Solar Coronal clouds, best visible in channel 193, but they differ also in other channels and combining more of them reveals differences in various "shades" and structures in Solar Corona...

The gray background is from 193 WhiteEx component, which has white background for printing, and in order to emphasize darker regions, there is no huge dark space around...

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