Viewing archive of Friday, 16 September 2022 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxCM
64 -70 -1B9M7.91132

Sunspot regions

Region 13098

Number of
sunspots
Size Class Magn. Class Spot Location
4 -10 540 -340 EHC N18W91
HMIIF
HMIBC

Solar flares on this day

C2.0 C2.6 C3.2 C2.9 C3.8 M7.9 C1.5 M6.2 C2.7 C2.3

Region 13100

Number of
sunspots
Size Class Magn. Class Spot Location
5 -4 150 -10 CSO S24W30
HMIIF
HMIBC

Region 13102

Number of
sunspots
Size Class Magn. Class Spot Location
6 2 440 80 DKO S26E24
HMIIF
HMIBC

Solar flares on this day

C2.4 C1.3

Region 13103

Number of
sunspots
Size Class Magn. Class Spot Location
9 2 100 70 DAC S18W08
HMIIF
HMIBC

Solar flares on this day

C1.6 C4.0 C3.0

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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Minor R1 radio blackout in progress (≥M1 - current: M1.22)


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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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