Sunspot region AR8657
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/08/03 | 1 | 40 | HSX | S32E71 | |
| 1999/08/04 | 1 | 60 | HAX | S31E56 | |
| 1999/08/05 | 6 | 140 | CSO | S30E43 | |
| 1999/08/06 | 11 | 90 | CSO | S30E28 | |
| 1999/08/07 | 11 | 100 | DSO | S30E16 | |
| 1999/08/08 | 11 | 130 | DSO | S30E04 | |
| 1999/08/09 | 7 | 90 | DSO | S31W09 | |
| 1999/08/10 | 5 | 100 | DAO | S30W22 | |
| 1999/08/11 | 2 | 60 | CSO | S31W35 | |
| 1999/08/12 | 2 | 60 | CSO | S31W48 | |
| 1999/08/13 | 1 | 60 | HSX | S28W56 | |
| 1999/08/14 | 1 | 70 | HSX | S30W68 | |
| 1999/08/15 | 1 | 20 | HSX | S31W85 |
| C |
|---|
| 2 |
The top 2 solar flares from sunspot region 8657
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.76 | 1999/08/08 | 14:23 | 14:26 | 14:31 | |
| 2 | C1.71 | 1999/08/10 | 14:28 | 14:32 | 14:49 |
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| Last X-flare | 2024/11/06 | X2.39 |
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| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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