Sunspot region AR8342
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/09/20 | 1 | 10 | AXX | N17E38 | |
| 1998/09/21 | 8 | 40 | CSO | N18E25 | |
| 1998/09/22 | 11 | 100 | DSO | N18E13 | |
| 1998/09/23 | 8 | 70 | DAO | N18E00 | |
| 1998/09/24 | 4 | 70 | CSO | N18W16 | |
| 1998/09/25 | 3 | 60 | CSO | N18W28 | |
| 1998/09/26 | 1 | 60 | HSX | N19W46 | |
| 1998/09/27 | 1 | 80 | HSX | N18W61 | |
| 1998/09/28 | 2 | 70 | DSO | N17W72 | |
| 1998/09/29 | 2 | 50 | DSO | N17W88 |
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Space weather facts
| Last X-flare | 2026/01/18 | X1.9 |
| Last M-flare | 2026/01/21 | M3.4 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 119.2 -4.8 |
| Last 30 days | 119.5 +1.5 |