prolific

giant AR4366 stretches 14 Earths diameters as it approaches the central meridian region, its cores are tending to separate from each other, but she managed to emit another X-flare today (1.5) so the count rises to five Xs in a 50 hours interval, plus more than two dozen M flares in the same lapse. Undoubtedly a hard-working sunspot !

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

crop, B/C