Viewing archive of Thursday, 20 April 2023 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxC
97 -160C1.03C3.669

Sunspot regions

Region 13272

Number of
sunspots
Size Class Magn. Class Spot Location
2 10 AXX S24W0*
HMIIF
HMIBC

Region 13276

Number of
sunspots
Size Class Magn. Class Spot Location
1 -6 10 -20 AXX S21W33
HMIIF
HMIBC

Region 13279

Number of
sunspots
Size Class Magn. Class Spot Location
1 -6 10 -30 HAX S19W42
HMIIF
HMIBC

Region 13281

Number of
sunspots
Size Class Magn. Class Spot Location
6 -4 60 BXO S23W22
HMIIF
HMIBC

Solar flares on this day

C1.8 C2.5 C3.6 C2.4 C2.3

Region 13282

Number of
sunspots
Size Class Magn. Class Spot Location
23 12 380 -150 FHI N12W30
HMIIF
HMIBC

Region 13283

Number of
sunspots
Size Class Magn. Class Spot Location
4 1 50 30 BXO S21W03
HMIIF
HMIBC

Solar flares on this day

C1.8 C2.3

Region 13284

Number of
sunspots
Size Class Magn. Class Spot Location
2 -1 10 -70 AXX S08E28
HMIIF
HMIBC

Solar flares on this day

C2.2

All times in UTC

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This day in history*

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*since 1994

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