Sunspot region AR8513
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/04/10 | 3 | 20 | BXO | S18E49 | |
| 1999/04/11 | 12 | 90 | DAO | S18E35 | |
| 1999/04/12 | 14 | 70 | DSO | S18E21 | |
| 1999/04/13 | 18 | 60 | DAO | S18E09 | |
| 1999/04/14 | 13 | 60 | DAO | S18W05 | |
| 1999/04/15 | 8 | 40 | CAO | S15W20 | |
| 1999/04/16 | 4 | 10 | BXO | S17W34 | |
| 1999/04/17 | 2 | 10 | AXX | S18W44 |
Latest news
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Wednesday, 31 December 2025
Happy New Year! Celebrate with an M7.1 solar flare!
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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 | 2026/01/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 118.7 -5.3 |
| Last 30 days | 120.4 +5.6 |