Viewing archive of Wednesday, 20 January 1999 - Sunspot regions

It appears that the image of the visible solar disk for this day in history is missing.
Sunspot numberNew regionsBackground fluxCM
156 -260 -2C1.051

Sunspot regions

Region 8437

Number of
sunspots
Size Class Magn. Class Spot Location
1 70 -20 HSX N11W50

Region 8439

Number of
sunspots
Size Class Magn. Class Spot Location
44 -2 300 60 FAI S23W13

Solar flares on this day

C2.0

Region 8440

Number of
sunspots
Size Class Magn. Class Spot Location
49 -5 300 -10 EAI N19W10

Solar flares on this day

C2.1

Region 8442

Number of
sunspots
Size Class Magn. Class Spot Location
11 -4 70 -10 DAO N24W41

Region 8443

Number of
sunspots
Size Class Magn. Class Spot Location
3 10 BXO S17E55

Region 8444

Number of
sunspots
Size Class Magn. Class Spot Location
2 0 AXX N19E20

Region 8445

Number of
sunspots
Size Class Magn. Class Spot Location
2 0 BXO N10E25

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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 2019:64
Current stretch spotless days:3

This day in history*

Solar flares
11998X1.2
22003M5.1
32001M4.0
42003M2.0
52004M1.5
ApG
1201736G1
2200827G1
3200227G2
4201226G2
5199522G1
*since 1994

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