AR 2192 is the largest sunspot seen in the last 2 solar cycles (22 years). It produced a X 3.1 class flare today.
Very difficult conditions between clouds and wind gusts.
CaK imaging – well, least said the better but managed to get one fuzzy image of AR 2192 in ultraviolet at 393nm.
Celestron 1000/102 refractor, Hinode autoguider,
LuntB1200 CaK module, Baader K-line filter and Skyris 274m.
Baader Herschel wedge, Baader UV/IR cut filter and Skyris 274m.