Viewing archive of Wednesday, 23 September 1998 - Sunspot regions

It appears that the image of the visible solar disk for this day in history is missing.
Sunspot numberNew regionsBackground fluxMaximum fluxCM
162 80 -1B5.3M6.9741

Sunspot regions

Region 8335

Number of
sunspots
Size Class Magn. Class Spot Location
1 -3 50 HSX S20W68

Region 8336

Number of
sunspots
Size Class Magn. Class Spot Location
13 -6 70 -20 DSO S29W27

Region 8338

Number of
sunspots
Size Class Magn. Class Spot Location
1 -2 70 10 HSX N32E05

Region 8339

Number of
sunspots
Size Class Magn. Class Spot Location
10 9 50 ESO S16W25

Region 8340

Number of
sunspots
Size Class Magn. Class Spot Location
28 7 380 -160 DAI N20E11

Solar flares on this day

M7.1 C2.2

Region 8342

Number of
sunspots
Size Class Magn. Class Spot Location
8 -3 70 -30 DAO N18E00

Region 8343

Number of
sunspots
Size Class Magn. Class Spot Location
8 2 20 10 CSO N39E25

Region 8344

Number of
sunspots
Size Class Magn. Class Spot Location
5 10 BXO S20E22

Solar flares on this day

C1.4

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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 2020:40
Current stretch spotless days:25

This day in history*

Solar flares
12004X1.1
22004M5.7
32014M1.1
42000M1.0
52002C9.6
ApG
1200016
2199616
3200315
4199715
5199515
*since 1994

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