Viewing archive of Thursday, 31 December 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 |
|---|---|---|---|---|
| 135 -51 | 2 1 | C1.43 | C7.07 | 15 |
Sunspot regions
Region 8416 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 20 | CRO | N18W60 | |
Region 8419 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 21 -1 | 360 -30 | EAI | N26W65 | |
Region 8420 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 10 | HRX | N19W17 | |
Region 8421 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 70 24 | 710 100 | EKC | N26W14 | |
Solar flares on this day | ||||
| C4.07 C2.34 C5.87 C3.4 | ||||
Region 8422 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 17 3 | 130 10 | CSO | S23W01 | |
Region 8423 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 30 | HSX | N21W72 | |
Region 8425 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 10 | BXO | S26E51 | |
All times in UTC
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| Spotless days | |
|---|---|
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This day in history*
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