Home > Solar > Massive Sunspot AR11302

Massive Sunspot AR11302

Sunspot AR11302 is a true behemoth at 150,000 km in length. It was crackling with B and C class flares today after calming down somewhat from its release of two X Class flares on the 22nd and 24th September. The spot is now facing Earth and if it releases any more high energy flares in the next couple of days we could see some spectacular aurorae down here around midnight in northern latitudes. Seeing conditions were extremely poor during imaging with a lot of atmospheric turbulence so these images don’t really do justice to the amount of finely structured features that were on view today.

80mm PST Mod Ha view:

CaK PST view:

80mm PST Mod Ha view with bright C Class flare activity in AR 11302:


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