Sunspot region AR8330
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/09/07 | 3 | 50 | CRO | S20E68 | |
| 1998/09/08 | 3 | 60 | DAO | S20E57 | |
| 1998/09/09 | 3 | 60 | CSO | S22E44 | |
| 1998/09/10 | 2 | 40 | HSX | S22E36 | |
| 1998/09/11 | 1 | 40 | HSX | S22E24 | |
| 1998/09/12 | 1 | 40 | HSX | S23E12 | |
| 1998/09/13 | 1 | 130 | HSX | S23E00 | |
| 1998/09/14 | 3 | 30 | CSO | S24W13 | |
| 1998/09/15 | 1 | 30 | HSX | S23W26 | |
| 1998/09/16 | 1 | 20 | HSX | S24W40 | |
| 1998/09/17 | 1 | 0 | AXX | S24W52 | |
| 1998/09/18 | 1 | 10 | AXX | S23W65 |
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|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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