Viewing archive of Tuesday, 20 April 1999 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot numberNew regionsBackground fluxMaximum flux
79 -110 -2B2.1B9.77

Sunspot regions

Region 8514

Number of
sunspots
Size Class Magn. Class Spot Location
1 -5 10 -20 AXX S31W85

Region 8516

Number of
sunspots
Size Class Magn. Class Spot Location
5 70 10 CAO S18E03

Region 8517

Number of
sunspots
Size Class Magn. Class Spot Location
5 -1 70 40 DSO N22W63

Region 8518

Number of
sunspots
Size Class Magn. Class Spot Location
11 7 100 20 CAO S14E40

Solar flares on this day

B9.7

Region 8520

Number of
sunspots
Size Class Magn. Class Spot Location
5 20 CRO N20E12

Region 8521

Number of
sunspots
Size Class Magn. Class Spot Location
3 0 BXO N34W07

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