AkaSci 🛰️Sunspot region 3664 goes away with a bang!
As the super-active sunspot region 3664 rotated away to the backside of the Sun, it lobbed 3 more X-Class flares today.
X1.7 - 02:09 UTC
X1.2 - 12:55 UTC
X8.7 - 16:51 UTC, the strongest one of this cycle.
An X8 flare is 8 times more powerful than an X1 and so on.
In modern times, the largest solar flare occurred on 4 Nov 2003 at X45.
The 1859 Carrington Event was estimated at X50.
https://sdo.gsfc.nasa.gov/data/
https://www.swpc.noaa.gov/
31/n
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