5 days of the Sun: Leaving sunspot group 4274, emerging 4284 (center), filament eruptions, negatively polarised coronal holes in the W➡️, positively p. CHs in the E⬅️, new flaring region in the NE is rotating into view
SDO AIA 211Å BD, 193Å BD, 171Å, 211Å, 335Å
2 days ago