At just before 08.00 UT this morning, sunspot AR2882 popped of a powerful M-class solar flare, the biggest since Sunspot AR2871 exploded on Sept 23rd, producing a strong M3-class solar flare. Sunspot AR 2882 has released several more modest C-class solar flares in recent days, see graph below.Credit GOES
We do not yet know if this explosion produced a CME. Fresh data from SOHO might confirm the possibility later today. Meanwhile, stronger explosions may be in the offing...
New magnetic flux is emerging near the primary core of AR2882. The juxtaposition of oppositely-signed magnetic fields pressing together in AR2882 increases the odds of a significant flare from this formerly quiet sunspot. An M-flare this weekend would not be a surprise