New sunspot group AR 1882 unleashes an X-class flare – Oct 25, 09:40 UTC

The new complex sunspot group AR 1882 that has just rotated into view over the eastern solar limb produced a strong impulsive X1.4 flare this morning at 8:01 UTC. The blast was not Earth-directed.


X1.4 flare captured by Solar Dynamics Observatory. Source: SDO / NASA.


X-ray flux with the 8:01 UTC X1.4 flare. Source: GOESS/NASA.

This flare and sunspot group are not connected with sunspot group AR 1877, which produced a major M9 flare on October 24. An update on that event will be posted later this afternoon.