Viewing archive of Monday, 18 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
139 454 3C1.02C4.9115

Sunspot regions

Region 13425

Number of
sunspots
Size Class Magn. Class Spot Location
3 -3 80 60 DAO N23W83
HMIIF
HMIBC

Solar flares on this day

C1.6

Region 13429

Number of
sunspots
Size Class Magn. Class Spot Location
8 -5 50 -10 CSO N12W50
HMIIF
HMIBC

Solar flares on this day

C1.4

Region 13433

Number of
sunspots
Size Class Magn. Class Spot Location
2 -1 70 -20 CSO N28W16
HMIIF
HMIBC

Region 13435

Number of
sunspots
Size Class Magn. Class Spot Location
4 1 280 170 CKO N10E50
HMIIF
HMIBC

Solar flares on this day

C2.6 C2.3

Region 13436

Number of
sunspots
Size Class Magn. Class Spot Location
14 6 100 20 DAI N19W36
HMIIF
HMIBC

Solar flares on this day

C1.8 C2.0 C1.8 C1.9 C2.4 C3.8 C3.3 C4.9

Region 13437

Number of
sunspots
Size Class Magn. Class Spot Location
8 70 DSO S17W17
HMIIF
HMIBC

Region 13438

Number of
sunspots
Size Class Magn. Class Spot Location
1 30 HSX N11E49
HMIIF
HMIBC

Region 13439

Number of
sunspots
Size Class Magn. Class Spot Location
7 60 DAO S23E57
HMIIF
HMIBC

Region 13440

Number of
sunspots
Size Class Magn. Class Spot Location
2 60 HSX N17E74
HMIIF
HMIBC

All times in UTC

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Last X-flare2024/10/31X2.0
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Spotless days
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Last 30 days161.1 +7.2

This day in history*

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*since 1994

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