Viewing archive of Wednesday, 13 September 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
109 -320 -1B7.81C5.535

Sunspot regions

Region 13423

Number of
sunspots
Size Class Magn. Class Spot Location
9 -6 280 -60 EKO N17W63
HMIIF
HMIBC

Solar flares on this day

C5.4 C1.2 C1.3

Region 13425

Number of
sunspots
Size Class Magn. Class Spot Location
17 -7 70 -20 EAO N25W25
HMIIF
HMIBC

Region 13429

Number of
sunspots
Size Class Magn. Class Spot Location
8 2 50 20 EAI N11E17
HMIIF
HMIBC

Solar flares on this day

C1.9 C1.8

Region 13430

Number of
sunspots
Size Class Magn. Class Spot Location
10 3 50 20 DAO S16W33
HMIIF
HMIBC

Region 13431

Number of
sunspots
Size Class Magn. Class Spot Location
4 -1 20 -10 HRX S08E19
HMIIF
HMIBC

Region 13432

Number of
sunspots
Size Class Magn. Class Spot Location
2 10 BXO S22W0*
HMIIF
HMIBC

Region 13433

Number of
sunspots
Size Class Magn. Class Spot Location
1 80 10 HSX N29E55
HMIIF
HMIBC

All times in UTC

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Last X-flare2024/11/06X2.39
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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
31975-97G2
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*since 1994

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