A tremendously long snaking filament associated with active region 3092... by my ruler, perhaps 700,000 kilometers long.
This image was featured as NASA Astronomy Picture of the Day on September 13, 2022.
The sun's surface has been inverted in tone to give a better perception of the height of this feature. Here is a look at the original data, before processing.
September 3, 2022 / captured with Little Big Man, PGR Grasshopper camera
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