Viewing archive of Thursday, 18 February 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
1350B8.9C5.211

Sunspot regions

Region 8457

Number of
sunspots
Size Class Magn. Class Spot Location
9 -15 330 -220 EKO N15W42

Region 8458

Number of
sunspots
Size Class Magn. Class Spot Location
8 -5 580 -30 DKO S23W36

Solar flares on this day

C1.6

Region 8459

Number of
sunspots
Size Class Magn. Class Spot Location
6 -1 140 50 DAO S30W69

Solar flares on this day

C1.4

Region 8460

Number of
sunspots
Size Class Magn. Class Spot Location
3 20 DAO S17W22

Region 8462

Number of
sunspots
Size Class Magn. Class Spot Location
9 -6 170 20 DAO N20W27

Solar flares on this day

C1.4 C2.0

Region 8463

Number of
sunspots
Size Class Magn. Class Spot Location
1 70 HSX S17W07

Region 8464

Number of
sunspots
Size Class Magn. Class Spot Location
7 70 -10 DSO N20E02

Solar flares on this day

C1.1

Region 8466

Number of
sunspots
Size Class Magn. Class Spot Location
1 0 AXX S24E44

Region 8467

Number of
sunspots
Size Class Magn. Class Spot Location
1 80 20 HSX N16E56

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2020/02/19Kp5 (G1)
Number of spotless days in 2020:72
Last spotless day:2020/03/30

This day in history*

Solar flares
12002M6.1
21999M5.4
32001M2.0
42003M1.9
52001M1.6
ApG
1199459G3
2200328G1
3200526G2
4200123G1
5200022G1
*since 1994

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