Viewing archive of Monday, 18 January 1999 - 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 |
|---|---|---|---|---|---|
| 169 38 | 1 | C1.31 | M2.96 | 25 | 1 |
Sunspot regions
Region 8437 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 70 -10 | HSX | N10W24 | |
Region 8439 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 40 9 | 210 -60 | FAO | S24E14 | |
Solar flares on this day | ||||
| C2.33 C1.84 C1.97 C6.89 C8.53 C2.59 C3.11 C6.64 C2.36 C3.59 C1.64 C6.87 C1.6 C2.06 | ||||
Region 8440 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 42 11 | 300 -60 | EAI | N19E16 | |
Solar flares on this day | ||||
| C6.9 C5.91 M2.96 C2.51 C3.59 C4.31 C2.11 | ||||
Region 8442 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 | 30 | DSO | N24W16 | |
Solar flares on this day | ||||
| C2.64 | ||||
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