Viewing archive of Saturday, 17 March 2001 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxC
90 41 1B3.86C5.613

Sunspot regions

Region 9373

Number of
sunspots
Size Class Magn. Class Spot Location
32 -21 240 FAI S07W20

Solar flares on this day

C5.61

Region 9376

Number of
sunspots
Size Class Magn. Class Spot Location
3 -4 20 10 CRO S14E09

Region 9383

Number of
sunspots
Size Class Magn. Class Spot Location
4 -2 30 -50 CSO S10W70

Region 9384

Number of
sunspots
Size Class Magn. Class Spot Location
7 -1 120 80 DAO N11W23

Solar flares on this day

C1.27

All times in UTC

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Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future

Yellowknife, NT

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


Monday, 31 March 2025
11:15 UTC - Solar protons

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


10:45 UTC - Solar flare

Moderate M1.26 flare

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10:27 UTC - Radio Blackout

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


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Moderate M1.03 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 days128.5 -22.7

This day in history*

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DstG
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*since 1994

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