Sunspot region AR8488
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/03/15 | 4 | 20 | CSO | S27E37 | |
| 1999/03/16 | 3 | 0 | BXO | S26E22 | |
| 1999/03/17 | 3 | 20 | CSO | S26E09 | |
| 1999/03/18 | 8 | 40 | CSO | S26W04 | |
| 1999/03/19 | 18 | 110 | DSO | S26W17 | |
| 1999/03/20 | 14 | 90 | DAO | S27W30 | |
| 1999/03/21 | 6 | 30 | CSO | S26W44 | |
| 1999/03/22 | 2 | 10 | AXX | S26W58 | |
| 1999/03/23 | 2 | 0 | AXX | S26W72 |
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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 |