Sunspot region AR2699 is back! AR2699 produced a long-durationC-class flare, and an Earth-directed C
Sunspot region AR2699 is back! AR2699 produced a long-durationC-class flare, and an Earth-directed CME on its previous rotation but now it’s just a plage region. There is also a lovely coronal prominence cavity on the south-east limb of the Sun. -- source link
#solar activity#astronomy#solar prominence