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Auf http://www.spaceweather.com finden sich alle relevanten Daten der Sonnenaktivitäten.
( Solarwind, 10,7cm Flux, xray Solar Flares, Sonnenflecken usw )
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Begriffsbestimmungen Xray Solar Flares:
Class Peak (W/m²) between 1 and 8 Angstroms
B I < 10⁻⁶ C 10⁻⁶ < = I < 10⁻⁵ M 10⁻⁵ < = I < 10⁻⁴ X I > = 10⁻⁴
Each category for x-ray flares has nine subdivisions ranging from 1 to 9
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