Today’s H-alpha image shows the four active regions seen on NASA’s SDO image. Two regions on yesterday’s image, AR4382 and AR4380 have vanished, today’s AR4383 […]
Read MoreToday’s H-alpha image shows the four active regions seen on NASA’s SDO image. Two regions on yesterday’s image, AR4382 and AR4380 have vanished, today’s AR4383 […]
Read More