Viewing archive of Monday, 31 August 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
133 -30 -1C1.71M2.2762

Sunspot regions

Region 8307

Number of
sunspots
Size Class Magn. Class Spot Location
3 -6 140 DSO N30W65

Solar flares on this day

M2.27

Region 8308

Number of
sunspots
Size Class Magn. Class Spot Location
1 30 -60 HSX S22W89

Region 8318

Number of
sunspots
Size Class Magn. Class Spot Location
2 10 AXX S23W58

Region 8319

Number of
sunspots
Size Class Magn. Class Spot Location
27 -5 570 300 EKI N18W41

Region 8321

Number of
sunspots
Size Class Magn. Class Spot Location
1 20 HSX N31E37

Region 8322

Number of
sunspots
Size Class Magn. Class Spot Location
11 2 70 50 DAO N22W26

Region 8323

Number of
sunspots
Size Class Magn. Class Spot Location
9 4 780 510 EKC S21E54

Solar flares on this day

C3.3 C3.44

Region 8324

Number of
sunspots
Size Class Magn. Class Spot Location
2 10 AXX N22W12

All times in UTC

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Last X-flare2025/12/08X1.1
Last M-flare2025/12/10M1.9
Last geomagnetic storm2025/12/04Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
November 202591.8 -22.8
December 2025157.7 +65.9
Last 30 days108.9 +11.4

This day in history*

Solar flares
12024M6.46
22023M2.3
32025M1.9
42002M1.63
52024M1.6
DstG
11983-61G1
21982-60G2
31997-56
41985-54
52003-51G1
*since 1994

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