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Zonneactiviteit

Sunspot regions, coronal holes, filaments? In this forum we discuss everything related to the activity on our nearest star.


262 topics in this forum

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  1. Cornaal gat 8 juni

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  2. Rare zonnefoto van groepen 0892 en 0893

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  3. Fouten in zonnevlamdata en foto's 1 2

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  4. Het eind van de vlekkenloze periode (16-19 mei)

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  5. Poll: zonneactiviteit in zonnecyclus 24

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  6. X-flares in zonneminimum

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