Viewing archive of Monday, 21 April 1997 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum flux
00A0.0A1.03

Sunspot regions

There were no sunspot regions on the earth-facing solar disc on this day

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