Viewing archive of Wednesday, 13 January 1999 - 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
77 111 -1B3.14M1101

Sunspot regions

Region 8431

Number of
sunspots
Size Class Magn. Class Spot Location
1 -1 20 10 HAX S27W32

Region 8434

Number of
sunspots
Size Class Magn. Class Spot Location
4 10 BXO S27W17

Region 8437

Number of
sunspots
Size Class Magn. Class Spot Location
1 80 -10 HSX N11E42

Region 8438

Number of
sunspots
Size Class Magn. Class Spot Location
5 20 CSO S18E07

Region 8439

Number of
sunspots
Size Class Magn. Class Spot Location
5 160 CAO S24E75

Solar flares on this day

C1.74 C4.27

All times in UTC

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Last X-flare2024/11/06X2.39
Last M-flare2024/11/20M1.1
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
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October 2024166.4 +25
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Last 30 days156.1 +4.7

This day in history*

Solar flares
11998X5.37
21998X3.59
32001X1.41
42001M5.51
51998M2.7
DstG
11991-139G2
21982-114G2
31975-97G2
42003-87G2
51960-76G2
*since 1994

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