Sunspot region AR8309
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/08/20 | 2 | 0 | AXX | N18E28 | |
| 1998/08/21 | 9 | 30 | BXO | N17E15 | |
| 1998/08/22 | 8 | 50 | DSO | N16E02 | |
| 1998/08/23 | 8 | 60 | DAO | N16W13 | |
| 1998/08/24 | 13 | 70 | ESO | N15W26 | |
| 1998/08/25 | 13 | 70 | CAO | N16W39 | |
| 1998/08/26 | 11 | 130 | EAO | N19W51 | |
| 1998/08/27 | 6 | 90 | ESO | N15W66 | |
| 1998/08/28 | 3 | 50 | CSO | N17W81 |
| B |
|---|
| 1 |
The top 1 solar flares from sunspot region 8309
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B9.69 | 1998/08/23 | 02:29 | 02:41 | 02:49 |
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|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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