Viewing archive of Tuesday, 1 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 fluxCM
129 -40C2.14C7.191

Sunspot regions

Region 8307

Number of
sunspots
Size Class Magn. Class Spot Location
4 1 90 -50 DSO N32W77

Region 8319

Number of
sunspots
Size Class Magn. Class Spot Location
26 -1 740 170 EKO N19W54

Solar flares on this day

C4.97 C5.54

Region 8321

Number of
sunspots
Size Class Magn. Class Spot Location
2 1 10 -10 AXX N31E25

Region 8322

Number of
sunspots
Size Class Magn. Class Spot Location
11 90 20 DAO N23W40

Region 8323

Number of
sunspots
Size Class Magn. Class Spot Location
29 20 890 110 EKC S22E42

Solar flares on this day

C4.49 M2.16 C4.01 C2.96 C7.1 C6.36

Region 8324

Number of
sunspots
Size Class Magn. Class Spot Location
1 -1 0 -10 AXX N23W24

All times in UTC

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Space weather facts

Last X-flare2025/12/08X1.1
Last M-flare2025/12/31M7.11
Last geomagnetic storm2026/01/10Kp6 (G2)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
December 2025124 +32.2
January 2026102.5 -21.5
Last 30 days99.7 -8.9

This day in history*

Solar flares
12002M4.98
22000M4.01
32002M2.52
42002M1.89
52000M1.79
DstG
11989-106G2
21992-93
32000-71
41976-61G1
52005-50G1
*since 1994

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