Sunspot region AR8512
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/04/09 | 4 | 10 | BXO | S27E52 | |
| 1999/04/10 | 6 | 60 | CSO | S28E38 | |
| 1999/04/11 | 7 | 60 | DAO | S27E25 | |
| 1999/04/12 | 6 | 50 | DAO | S27E12 | |
| 1999/04/13 | 5 | 30 | CSO | S28W02 | |
| 1999/04/14 | 6 | 30 | CSO | S27W17 | |
| 1999/04/15 | 3 | 30 | CAO | S27W31 | |
| 1999/04/16 | 1 | 0 | AXX | S27W44 | |
| 1999/04/17 | 1 | 0 | AXX | S27W55 | |
| 1999/04/18 | 1 | 10 | HSX | S24W69 | |
| 1999/04/19 | 1 | 10 | AXX | S27W82 |
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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 |