Viewing archive of Monday, 4 October 2021 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum flux
29 -90 -1A9.96B9.23

Sunspot regions

Region 12877

Number of
sunspots
Size Class Magn. Class Spot Location
1 30 HSX S21W0*
HMIIF
HMIBC

Solar flares on this day

B3.2 B7.7 B9.4 B1.6 B1.6

Region 12880

Number of
sunspots
Size Class Magn. Class Spot Location
8 2 160 -70 ESO N31W21
HMIIF
HMIBC

Solar flares on this day

B2.4 B1.1

Region 12882

Number of
sunspots
Size Class Magn. Class Spot Location
1 250 70 HHX N14E63
HMIIF
HMIBC

Solar flares on this day

B1.6 B2.1

All times in UTC

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Spotless days
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This day in history*

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42000M2.33
52012M2.11
DstG
12003-309G3
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*since 1994

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