Viewing archive of Tuesday, 19 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 fluxCM
143 41 -3C1.25M4.09113

Sunspot regions

Region 13425

Number of
sunspots
Size Class Magn. Class Spot Location
1 -2 60 -20 HSX N24W88
HMIIF
HMIBC

Region 13429

Number of
sunspots
Size Class Magn. Class Spot Location
3 -5 80 30 CAO N12W67
HMIIF
HMIBC

Solar flares on this day

C3.5

Region 13433

Number of
sunspots
Size Class Magn. Class Spot Location
1 -1 90 20 HSX N28W25
HMIIF
HMIBC

Region 13435

Number of
sunspots
Size Class Magn. Class Spot Location
4 280 DKO N09E42
HMIIF
HMIBC

Solar flares on this day

M1.1 M1.8 C3.1 M4.0 C9.7

Region 13436

Number of
sunspots
Size Class Magn. Class Spot Location
12 -2 160 60 DAI N20W49
HMIIF
HMIBC

Solar flares on this day

C2.8 C3.9 C5.0 C4.2 C2.8 C2.0

Region 13437

Number of
sunspots
Size Class Magn. Class Spot Location
6 -2 100 30 DAO S17W29
HMIIF
HMIBC

Solar flares on this day

C2.1

Region 13438

Number of
sunspots
Size Class Magn. Class Spot Location
8 7 60 30 CSI N10E34
HMIIF
HMIBC

Solar flares on this day

C2.8

Region 13439

Number of
sunspots
Size Class Magn. Class Spot Location
3 -4 50 -10 CAO S24E43
HMIIF
HMIBC

Region 13440

Number of
sunspots
Size Class Magn. Class Spot Location
2 70 10 CSO N17E60
HMIIF
HMIBC

Region 13441

Number of
sunspots
Size Class Magn. Class Spot Location
3 20 CRO N09E11
HMIIF
HMIBC

All times in UTC

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Last X-flare2024/10/31X2.0
Last M-flare2024/11/05M2.6
Last geomagnetic storm2024/10/12Kp5 (G1)
Spotless days
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Monthly mean Sunspot Number
September 2024141.4 -74.1
November 2024215.8 +74.4
Last 30 days161.1 +7.2

This day in history*

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*since 1994

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