Solcykel-historik

Diagrammet på den här sidan visar antalet solfläckar sedan 1749. Det var då den första insamlingen av den här typen av data började. Du kan zooma in i diagrammet genom att välja en specifik tidsperiod. Du kan välja att visa viss information eller dölja den genom att trycka på de olika undergrupperna. Du kan även exportera diagrammet som en JPG, SVG, PDF eller PNG-fil.

Comparing solar cycles

The chart below lets you compare several solar cycles with each other to see how the several solar cycles differ with each other and see how the current solar cycle progresses in relation to other solar cycles. The chart is shown with the current and last solar cycle, you can show/hide any solar cycle by clicking/tapping in the legend below the chart.

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Senaste nytt

tisdag, 5 augusti 2025

M4.4 solar flare from sunspot region 4168

måndag, 2 juni 2025

The CME did not disappoint! More storming activity to come?

lördag, 31 maj 2025

M8.2 solar flare, Strong G4 geomagnetic storm watch

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