evolution

AR4366 had a more stable behavior today with a steady emmision of low grade M-class flares. This sunspot components keep size and morphology but the separation between them is increasing although a "bridge" of minor cores tries to connect . In the meantime, AR4370, at low left, grew fast the last day and a newcomer is coming over the east limb, the sun face is evolving actively in a daily basis

Newt 4.5" + solar film, 1/640s ISO100

crop, B/C