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Aurora producing sunspot group #798 from the last solar revolution has gone but currently has left a massive ghost of its former self maybe a third of a solar diameter near the centre of the disk in H-alpha light this morning. It's bounded by long dark filaments on its west side and a long narrow 'S' filament through its centre. Worth alook in H-alpha;-).
Nytecam 51N 0.1W http://home.freeuk.com/m.gavin/pstnew.htm |
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