Viewing archive of Sunday, 18 October 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
136 292 1C1.6M2.4111

Sunspot regions

Region 8358

Number of
sunspots
Size Class Magn. Class Spot Location
10 -5 170 50 CAO N16W55

Solar flares on this day

M2.4 C2.6

Region 8360

Number of
sunspots
Size Class Magn. Class Spot Location
8 -10 390 50 DKO S19W52

Region 8361

Number of
sunspots
Size Class Magn. Class Spot Location
9 3 30 CSO N14W38

Region 8362

Number of
sunspots
Size Class Magn. Class Spot Location
2 1 30 HRX N20E46

Region 8363

Number of
sunspots
Size Class Magn. Class Spot Location
14 7 100 60 DAO N25E17

Region 8364

Number of
sunspots
Size Class Magn. Class Spot Location
4 10 BXO N18E24

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/10/26Kp5 (G1)
Number of spotless days in 2020:16
Last spotless day:2020/01/23

This day in history*

Solar flares
12012X1.7
22014M4.9
32014M1.1
42014M1.0
52014C8.0
ApG
1201720
2199420
3200417
4200017
5199716
*since 1994

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