Victor C. Rogus
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Home built 4 inch refractor with Baader Planetarium Hershel wedge solar continuum filter and ND 3.0 filter Losmandy G-8 GEM
Big , dark Sunspot AR 1890 is aimed at Earth and buzzing with short bursts of solar flairs. Flashes of extreme UV radiation have been observed by NASA. These bursts may have effect on the Earth's magnetic poles in the following days.