Viewing archive of Thursday, 20 June 2024 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxCM
138 -430 -3C2.29M5.7672

Sunspot regions

Region 13712

Number of
sunspots
Size Class Magn. Class Spot Location
15 -6 1050 -110 EKC S24W52
HMIIF
HMIBC

Solar flares on this day

C4.3

Region 13713

Number of
sunspots
Size Class Magn. Class Spot Location
29 -20 740 280 EKC S14W39
HMIIF
HMIBC

Solar flares on this day

C4.9 C5.6

Region 13716

Number of
sunspots
Size Class Magn. Class Spot Location
22 -3 430 60 EKC N10W47
HMIIF
HMIBC

Solar flares on this day

C3.8 C4.3

Region 13718

Number of
sunspots
Size Class Magn. Class Spot Location
1 -1 20 10 HRX N13W00
HMIIF
HMIBC

Region 13719

Number of
sunspots
Size Class Magn. Class Spot Location
6 2 70 50 DAO S13E55
HMIIF
HMIBC

Solar flares on this day

C7.1 M1.1 C8.1 C6.5 M5.76

Region 13720

Number of
sunspots
Size Class Magn. Class Spot Location
5 60 30 DAO S05E62
HMIIF
HMIBC

All times in UTC

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S2 - Moderate solar radiation storm

Infrequent effects on HF radio through polar regions and satellite operations

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Moderate S2 Solar Radiation Storm - Infrequent effects on HF radio through polar regions and satellite operations


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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/03/31M1.2
Last geomagnetic storm2025/03/27Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
February 2025154.6 +17.6
Last 30 days127.7 -23.5

This day in history*

Solar flares
12001M7.89
22017M6.34
32001M5.75
42024M3.9
52001M1.85
DstG
11960-327G4
22001-228G2
31976-218G4
41973-211G4
51989-93G2
*since 1994

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