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 fluxC
77 111 -1B2.210

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:2019/03/17Kp5 (G1)
Number of spotless days in 2019:54
Current stretch spotless days:2

This day in history*

Solar flares
12001M2.7
22000M2.3
32001M2.2
41998M1.8
52001C7.2
ApG
1199530G2
2200826G1
3200417G1
4199717
5200516
*since 1994

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