Sunspot region AR8109
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1997/11/17 | 1 | 10 | HRX | S18E66 | |
| 1997/11/18 | 6 | 30 | CRO | S18E51 | |
| 1997/11/19 | 6 | 30 | CSO | S19E38 | |
| 1997/11/20 | 6 | 30 | DSO | S19E25 | |
| 1997/11/21 | 6 | 50 | CSO | S19E11 | |
| 1997/11/22 | 4 | 30 | CRO | S19E00 | |
| 1997/11/24 | 6 | 30 | CRO | S18W30 | |
| 1997/11/25 | 3 | 20 | CRO | S18W47 | |
| 1997/11/26 | 1 | 10 | AXX | S21W60 | |
| 1997/11/28 | 1 | 0 | AXX | S22W82 |
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/01 | M2.4 |
| Last geomagnetic storm | 2025/03/27 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| April 2025 | 147 -7.6 |
| Last 30 days | 128.8 -21.8 |