Viewing archive of Thursday, 21 December 2023 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxCM
138 50 -1C1.31M4.25111

Sunspot regions

Region 13519

Number of
sunspots
Size Class Magn. Class Spot Location
9 180 40 DAI S52W72
HMIIF
HMIBC

Solar flares on this day

M4.2 C3.2 C1.8 C2.0

Region 13521

Number of
sunspots
Size Class Magn. Class Spot Location
8 4 100 20 DSI N12W09
HMIIF
HMIBC

Solar flares on this day

C2.2 C2.2

Region 13524

Number of
sunspots
Size Class Magn. Class Spot Location
2 1 10 5 BXO N28E05
HMIIF
HMIBC

Solar flares on this day

C2.1

Region 13526

Number of
sunspots
Size Class Magn. Class Spot Location
8 2 170 -30 CAI N15E17
HMIIF
HMIBC

Solar flares on this day

C4.1

Region 13527

Number of
sunspots
Size Class Magn. Class Spot Location
2 25 CAO S01W98
HMIIF
HMIBC

Region 13528

Number of
sunspots
Size Class Magn. Class Spot Location
9 170 30 DAI N08W29
HMIIF
HMIBC

Solar flares on this day

C2.2

Region 13529

Number of
sunspots
Size Class Magn. Class Spot Location
18 12 430 -20 DKO S22E14
HMIIF
HMIBC

Solar flares on this day

C5.5 C3.9 C4.0

Region 13530

Number of
sunspots
Size Class Magn. Class Spot Location
3 -1 30 -150 BXO N08E35
HMIIF
HMIBC

Region 13531

Number of
sunspots
Size Class Magn. Class Spot Location
1 70 10 HSX S21E55
HMIIF
HMIBC

All times in UTC

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This day in history*

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*since 1994

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