Sunspot region AR8399
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/12/01 | 4 | 40 | BXO | N30E23 | |
| 1998/12/02 | 5 | 60 | BXO | N24E09 | |
| 1998/12/03 | 3 | 10 | BXO | N26W04 | |
| 1998/12/04 | 1 | 0 | AXX | N29W22 | |
| 1998/12/08 | 2 | 10 | AXX | N29W66 | |
| 1998/12/09 | 3 | 40 | CRO | N29W80 | |
| 1998/12/10 | 3 | 30 | CRO | N29W92 |
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 8399
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.63 | 1998/12/04 | 17:09 | 17:16 | 17:24 |
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| Last geomagnetic storm | 2024/11/10 | Kp5+ (G1) |
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|---|---|
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| Monthly mean Sunspot Number | |
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| Last 30 days | 163.2 +18.4 |