Viewing archive of Friday, 23 April 2021 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxC
29 -130B2.4C2.476

Sunspot regions

Region 12816

Number of
sunspots
Size Class Magn. Class Spot Location
8 2 50 CRO S24W31
HMIIF
HMIBC

Solar flares on this day

B8.4 B2.9 B4.9 B9.6 C1.0 C1.4 B4.1 B6.8

Region 12817

Number of
sunspots
Size Class Magn. Class Spot Location
5 140 CSO N18W0*
HMIIF
HMIBC

Solar flares on this day

C1.3 C1.4 B4.1 B6.6 C2.3 C2.3 C2.4

Region 12818

Number of
sunspots
Size Class Magn. Class Spot Location
1 50 HSX S17E25
HMIIF
HMIBC

All times in UTC

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*since 1994

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