This morning at 08:05 UTC, sunspot 1263 produced an X6.9 solar flare, the third X-flare of new Solar Cycle 24 and the most powerful so far. NASA's Solar Dynamics Observatory captured the explosion's extreme ultraviolet flash:The brunt of the ex
The magnetic field of sunspot 1236 harbors energy for M-class solar flares. NOAA forecasters estimate a 25% chance of such an eruption during the next 24 hrs.
A huge filament of magnetism and hot plasma blasted off the sun’s southwestern limb on March 19th around 1200 UT. The eruption was not Earth-directed, but it did attract plenty of attention on our planet. Many amateur astronomers in Europe witnessed the blast and said
