Viewing archive of Saturday, 12 September 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
118 -161B8.14C4.535

Sunspot regions

Region 8326

Number of
sunspots
Size Class Magn. Class Spot Location
4 -1 10 -10 CSO N21W27

Region 8327

Number of
sunspots
Size Class Magn. Class Spot Location
2 1 0 AXX N29W24

Region 8328

Number of
sunspots
Size Class Magn. Class Spot Location
6 1 90 CSO S18W20

Region 8329

Number of
sunspots
Size Class Magn. Class Spot Location
10 -1 240 40 DSO N15W32

Region 8330

Number of
sunspots
Size Class Magn. Class Spot Location
1 40 HSX S23E12

Region 8331

Number of
sunspots
Size Class Magn. Class Spot Location
20 5 180 -10 CAO N25E14

Solar flares on this day

C1.66 C1.22

Region 8333

Number of
sunspots
Size Class Magn. Class Spot Location
9 5 120 100 CSO N11W55

Solar flares on this day

C1.83

Region 8334

Number of
sunspots
Size Class Magn. Class Spot Location
2 10 BXO S25W35

All times in UTC

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Active geomagnetic conditions

Observed Kp: 4
Threshold reached: 21:02 UTC

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

Oulu, Rovaniemi, Sodankylä, Utsjoki
Reykjavik
Kirkenes, Tromsø
Murmansk
Kiruna, Luleå

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21:15 UTC - Geomagnetic activity

Active geomagnetic conditions (Kp4) Threshold Reached: 20:59 UTC

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19:54 UTC - Solar flare

Moderate M1 flare

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


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Space weather facts

Last X-flare2025/02/23X2.0
Last M-flare2025/03/14M1.1
Last geomagnetic storm2025/03/14Kp6- (G2)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
February 2025154.6 +17.6
March 2025129.9 -24.7
Last 30 days138.5 -18.3

This day in history*

Solar flares
12003X2.27
22002M5.82
31999M4.71
42012M2
52002M1.88
DstG
12015-234G4
22013-132G3
31989-119G1
42012-69G1
51994-55G1
*since 1994

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