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 number | New regions | Background flux | Maximum flux | C | M |
|---|---|---|---|---|---|
| 136 29 | 2 1 | C2.29 | M3.44 | 2 | 2 |
Sunspot regions
Region 8358 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 -5 | 170 50 | CAO | N16W55 | |
Solar flares on this day | ||||
| M1.17 M3.44 C3.76 | ||||
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 | |
All times in UTC
Latest news
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Complex sunspot region 4366
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CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Latest forum messages
AR4366 976Feb 8-9 CMEs 10AR 4371 19AR 4373 3Do the high-resolution sunspot counts point to more complex sunspots? 50
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