Rotation of a sunspot - AR4482
Taken by Maximilian-Vlad Teodorescu on July 11, 2026 @
Institute of Space Science, Romania
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Details:
Sunspots rotate. It is known for some time now, but it is nice to actually see that for yourself.
Here is a crude animation showing sunspot group AR4482 over the course of 5 days (7 to 11 of July, 2026). Note the different sections rotate differently. The upper part rotates anticlockwise quite fast, while the lower part has different motions inside it.
More on sunspot rotation here: https://link.springer.com/article/10.1023/A:1026138413791
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