Sunspot region AR8490
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/03/18 | 1 | 0 | AXX | S20E66 | |
| 1999/03/19 | 1 | 0 | AXX | S19E54 | |
| 1999/03/20 | 2 | 10 | AXX | S19E40 | |
| 1999/03/21 | 3 | 10 | BXO | S19E27 | |
| 1999/03/22 | 3 | 10 | BXO | S18E10 | |
| 1999/03/23 | 1 | 0 | AXX | S17W02 |
Latest news
Wednesday, 31 December 2025
Happy New Year! Celebrate with an M7.1 solar flare!
Sunday, 7 December 2025
M8.1 solar flare with earth-directed CME
Monday, 1 December 2025
X1.9 solar flare, Coronal hole faces Earth
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/31 | M7.11 |
| Last geomagnetic storm | 2026/01/02 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 112.1 -11.9 |
| Last 30 days | 104.6 -5 |