Sunspot region AR8158
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/02/12 | 2 | 10 | BXO | S19E77 | |
| 1998/02/13 | 3 | 10 | BXO | S19E62 | |
| 1998/02/14 | 4 | 10 | BXO | S19E50 | |
| 1998/02/15 | 4 | 20 | CSO | S20E36 | |
| 1998/02/16 | 4 | 10 | BXO | S21E23 | |
| 1998/02/17 | 5 | 20 | CRO | S21E10 | |
| 1998/02/18 | 3 | 10 | BXO | S21W03 | |
| 1998/02/19 | 3 | 10 | BXO | S22W14 | |
| 1998/02/20 | 4 | 20 | BXO | S21W29 | |
| 1998/02/23 | 2 | 10 | BXO | S20W69 | |
| 1998/02/24 | 5 | 70 | CSO | S19W82 |
| B |
|---|
| 1 |
The top 1 solar flares from sunspot region 8158
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B4.9 | 1998/02/18 | 06:31 | 06:36 | 06:38 |
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| Monthly mean Sunspot Number | |
|---|---|
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