Viewing archive of Wednesday, 21 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
47 -70 -1B1.24C1.61

Sunspot regions

Region 12816

Number of
sunspots
Size Class Magn. Class Spot Location
9 -1 100 -10 CAO S24W05
HMIIF
HMIBC

Solar flares on this day

B1.5 B1.5 B2.1 B6.2

Region 12817

Number of
sunspots
Size Class Magn. Class Spot Location
7 -6 180 40 DAO N18W76
HMIIF
HMIBC

Solar flares on this day

C1.6 B4.6 B3.7 B2.9 B1.7 B2.5 B2.9 B1.2 B1.8 B2.1 B1.8 B2.1 B4.4 B5.1 B6.2 B3.1 B3.4 B3.5 B4.4 B2.6

Region 12818

Number of
sunspots
Size Class Magn. Class Spot Location
1 40 -50 HSX S17E52
HMIIF
HMIBC

All times in UTC

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