Sunspot region AR8198
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/04/08 | 1 | 60 | HSX | S28E74 | |
| 1998/04/09 | 10 | 170 | DAO | S28E60 | |
| 1998/04/10 | 13 | 70 | DAO | S28E49 | |
| 1998/04/11 | 18 | 60 | CAO | S28E36 | |
| 1998/04/12 | 13 | 30 | BXO | S28E23 | |
| 1998/04/13 | 12 | 30 | BXO | S28E09 | |
| 1998/04/14 | 5 | 20 | BXO | S28E00 | |
| 1998/04/15 | 6 | 10 | BXO | S29W17 | |
| 1998/04/16 | 4 | 10 | BXO | S29W31 |
| B | C |
|---|---|
| 1 | 1 |
The top 2 solar flares from sunspot region 8198
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.81 | 1998/04/09 | 18:10 | 18:15 | 18:19 | |
| 2 | B7.26 | 1998/04/14 | 21:36 | 21:40 | 21:44 |
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| Monthly mean Sunspot Number | |
|---|---|
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