Viewing archive of Thursday, 31 December 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
135 -512 1C1.43C7.0715

Sunspot regions

Region 8416

Number of
sunspots
Size Class Magn. Class Spot Location
3 20 CRO N18W60

Region 8419

Number of
sunspots
Size Class Magn. Class Spot Location
21 -1 360 -30 EAI N26W65

Region 8420

Number of
sunspots
Size Class Magn. Class Spot Location
2 10 HRX N19W17

Region 8421

Number of
sunspots
Size Class Magn. Class Spot Location
70 24 710 100 EKC N26W14

Solar flares on this day

C4.07 C2.34 C5.87 C3.4

Region 8422

Number of
sunspots
Size Class Magn. Class Spot Location
17 3 130 10 CSO S23W01

Region 8423

Number of
sunspots
Size Class Magn. Class Spot Location
1 30 HSX N21W72

Region 8425

Number of
sunspots
Size Class Magn. Class Spot Location
2 10 BXO S26E51

All times in UTC

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Last X-flare2024/11/06X2.39
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October 2024166.4 +25
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This day in history*

Solar flares
12000X3.4
22000X2.87
32000X2.71
41998X1.54
51999M4.33
DstG
12001-221G4
21982-197G3
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51991-65
*since 1994

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