Sunspot region AR8304
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/08/16 | 1 | 90 | HSX | S30E64 | |
| 1998/08/17 | 2 | 100 | CSO | S30E53 | |
| 1998/08/18 | 4 | 110 | CAO | S30E42 | |
| 1998/08/19 | 5 | 110 | CSO | S30E29 | |
| 1998/08/20 | 4 | 90 | CSO | S30E16 | |
| 1998/08/21 | 5 | 70 | CSO | S27E03 | |
| 1998/08/22 | 4 | 50 | CSO | S28W11 | |
| 1998/08/23 | 5 | 40 | CSO | S26W24 | |
| 1998/08/24 | 2 | 30 | CSO | S27W38 | |
| 1998/08/25 | 1 | 30 | HSX | S29W52 | |
| 1998/08/26 | 1 | 40 | AXX | S25W66 | |
| 1998/08/27 | 1 | 20 | AXX | S29W78 |
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 186 +94.2 |
| Last 30 days | 106.3 +12.6 |