NOAA 9169

September, 18th

NOAA 9169

September, 21th

NOAA 9169

September,24th

Active region 9169, the largest sunspot in 9 years, is rotating toward the center of the Sun's visible disk. Magnetic fields above the spot have a tangled beta-gamma-delta configuration which is likely to trigger violent activity in the coming days.

Credit: Franky Dubois

Other Solar Hightlights: previous , next , all ,