Viewing archive of Saturday, 13 December 2008 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum flux
0 -140A0.0A0.6

Sunspot regions

Region 11009

Number of
sunspots
Size Class Magn. Class Spot Location
4 2 20 BXO S25W90

All times in UTC

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S2 - Moderate solar radiation storm

Infrequent effects on HF radio through polar regions and satellite operations

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02:15 UTC - Solar protons

Moderate S2 Solar Radiation Storm - Infrequent effects on HF radio through polar regions and satellite operations


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