Viewing archive of Sunday, 17 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
129 -341 -3C1.35M1.1481

Sunspot regions

Region 13513

Number of
sunspots
Size Class Magn. Class Spot Location
1 60 -10 HSX N19W94
HMIIF
HMIBC

Region 13514

Number of
sunspots
Size Class Magn. Class Spot Location
4 -8 120 -180 DAC N05W94
HMIIF
HMIBC

Solar flares on this day

C2.5 C4.1 C2.1 C3.8 M1.1

Region 13516

Number of
sunspots
Size Class Magn. Class Spot Location
2 1 10 AXX S18W39
HMIIF
HMIBC

Region 13518

Number of
sunspots
Size Class Magn. Class Spot Location
3 10 AXX N13E07
HMIIF
HMIBC

Region 13519

Number of
sunspots
Size Class Magn. Class Spot Location
18 130 DSI S10W18
HMIIF
HMIBC

Region 13520

Number of
sunspots
Size Class Magn. Class Spot Location
3 -2 40 -40 CSO N10W86
HMIIF
HMIBC

Solar flares on this day

C1.7

Region 13521

Number of
sunspots
Size Class Magn. Class Spot Location
3 2 30 HAX N12E43
HMIIF
HMIBC

Region 13522

Number of
sunspots
Size Class Magn. Class Spot Location
3 -1 10 BXO S03E12
HMIIF
HMIBC

Region 13523

Number of
sunspots
Size Class Magn. Class Spot Location
1 -1 10 -10 HRX N21E45
HMIIF
HMIBC

Region 13524

Number of
sunspots
Size Class Magn. Class Spot Location
2 20 HRX N26E51
HMIIF
HMIBC

Solar flares on this day

C3.3

Region 13525

Number of
sunspots
Size Class Magn. Class Spot Location
3 -1 20 CRO S09E31
HMIIF
HMIBC

Region 13526

Number of
sunspots
Size Class Magn. Class Spot Location
3 20 CAO N15E69
HMIIF
HMIBC

Solar flares on this day

C4.7

All times in UTC

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This day in history*

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*since 1994

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