Viewing archive of Monday, 17 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
171 190C1.37M1.5693

Sunspot regions

Region 13708

Number of
sunspots
Size Class Magn. Class Spot Location
1 40 20 HAX S21W71
HMIIF
HMIBC

Region 13709

Number of
sunspots
Size Class Magn. Class Spot Location
3 30 20 CAO S08W66
HMIIF
HMIBC

Solar flares on this day

C1.8

Region 13711

Number of
sunspots
Size Class Magn. Class Spot Location
4 -1 10 -10 BXO S11W53
HMIIF
HMIBC

Solar flares on this day

M1.3 C5.9

Region 13712

Number of
sunspots
Size Class Magn. Class Spot Location
40 9 1100 100 EKC S26W12
HMIIF
HMIBC

Solar flares on this day

C2.2 C6.2 C5.8 C1.9 C4.2 M1.5 M1.5 C1.8

Region 13713

Number of
sunspots
Size Class Magn. Class Spot Location
15 -3 150 -50 ESO S16E01
HMIIF
HMIBC

Solar flares on this day

C3.1

Region 13716

Number of
sunspots
Size Class Magn. Class Spot Location
35 15 480 300 DKC N10W01
HMIIF
HMIBC

Region 13717

Number of
sunspots
Size Class Magn. Class Spot Location
3 -1 10 BXO N08W61
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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02:15 UTC - Solar protons

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


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11:15 UTC - Solar protons

Minor S1 Solar Radiation Storm - Minor impacts on HF radio through polar regions


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Moderate M1.26 flare

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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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