Viewing archive of Sunday, 11 October 1998 - Sunspot regions

It appears that the image of the visible solar disk for this day in history is missing.
Sunspot number New regionsBackground fluxMaximum fluxC
68 -260 -1B6C2.598

Sunspot regions

Region 8350

Number of
sunspots
Size Class Magn. Class Spot Location
9 -10 110 -10 CSO N19W38

Region 8354

Number of
sunspots
Size Class Magn. Class Spot Location
1 0 AXX S18W46

Region 8355

Number of
sunspots
Size Class Magn. Class Spot Location
17 4 180 20 DAI S22E23

Region 8356

Number of
sunspots
Size Class Magn. Class Spot Location
16 50 10 CRO N21W30

Solar flares on this day

C1.91 C2.59

Region 8357

Number of
sunspots
Size Class Magn. Class Spot Location
1 0 AXX S34E46

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
Fairbanks, AK
The maximum X-ray flux of the past two hours is:
M5.61

S2 - Moderate solar radiation storm

Infrequent effects on HF radio through polar regions and satellite operations

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Latest alerts

07:15 UTC - 10cm Radio Burst

Begin Time: 01/04/2025 06:45 UTC Maximum Time: 01/04/2025 06:45 UTC Duration: 1 minutes. Peak flux: 190 sfu


07:06 UTC - Solar flare

Strong M5.61 flare

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06:48 UTC - Radio Blackout

Moderate R2 radio blackout in progress (≥M5 - current: M5.36)


06:45 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.7)


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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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/01M5.6
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*

Solar flares
12001M7.89
22017M6.34
32001M5.75
42025M5.6
52024M3.9
DstG
11960-327G4
22001-228G2
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*since 1994

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