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 numberNew regionsBackground fluxMaximum fluxC
77 111 -1B2.2C710

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

C1.2 C2.9

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/05/14Kp7 (G3)
Number of spotless days in 2019:80
Current stretch spotless days:7

This day in history*

Solar flares
12001C5.2
22014C3.8
32000C3.6
42000C3.6
52000C3.38
ApG
1201337G1
2200028G1
3199419G1
4200316
5199915
*since 1994

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