Viewing archive of Thursday, 20 July 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
131 -100 -2C1.2C9.75

Sunspot regions

Region 13372

Number of
sunspots
Size Class Magn. Class Spot Location
13 -2 380 -120 FKO N15W37
HMIIF
HMIBC

Solar flares on this day

C1.9

Region 13373

Number of
sunspots
Size Class Magn. Class Spot Location
21 -3 520 -30 EKC N08W16
HMIIF
HMIBC

Solar flares on this day

C1.7 C9.6

Region 13374

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 AXX S08W13
HMIIF
HMIBC

Region 13376

Number of
sunspots
Size Class Magn. Class Spot Location
8 1 130 -20 DSO N25E02
HMIIF
HMIBC

Region 13377

Number of
sunspots
Size Class Magn. Class Spot Location
5 1 240 DSO S09E35
HMIIF
HMIBC

Solar flares on this day

C2.2

Region 13378

Number of
sunspots
Size Class Magn. Class Spot Location
7 1 30 CRO S34W01
HMIIF
HMIBC

Region 13379

Number of
sunspots
Size Class Magn. Class Spot Location
6 3 260 80 FHO N14E57
HMIIF
HMIBC

Solar flares on this day

C2.2

All times in UTC

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This day in history*

Solar flares
11998X5.37
21998X3.59
32001X1.41
42001M5.51
51998M2.7
DstG
11991-139G2
21982-114G2
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*since 1994

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