Sunspot region 2816 produced a long duration C3.9 solar flare which was associated with both Type II and IV radio sweeps. The solar flare peaked at 04:35 UTC and launched a coronal mass ejection into space.
from SpaceWeatherLive RSS https://www.spaceweatherlive.com/en/news/view/434/20210422-c3-solar-flare-with-earth-directed-cme.html
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