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-flare2024/10/31X2.0
Last M-flare2024/11/05M2.6
Last geomagnetic storm2024/10/12Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
September 2024141.4 -74.1
November 2024215.8 +74.4
Last 30 days161.1 +7.2

This day in history*

Solar flares
12013X4.93
21998X1.21
32014X1.14
42003M7.6
52004M5.72
DstG
12023-172G3
21991-92G2
31986-74G1
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*since 1994

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