Sunspot region AR12337
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2015/05/04 | 2 | 10 | AXX | S16E56 | |
| 2015/05/05 | 2 | 10 | BXO | S16E42 | |
| 2015/05/06 | 2 | 10 | BXO | S17E28 | |
| 2015/05/07 | 3 | 10 | CSO | S15E15 | |
| 2015/05/08 | 5 | 30 | CAO | S18E03 | |
| 2015/05/09 | 3 | 10 | BXO | S18W11 | |
| 2015/05/10 | 4 | 20 | CRO | S17W23 | |
| 2015/05/11 | 4 | 30 | CSO | S16W37 |
2015/05/04
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Latest news
Monday, 1 December 2025
X1.9 solar flare, Coronal hole faces Earth
Friday, 14 November 2025
X4.0 solar flare
Tuesday, 11 November 2025
X5.1 solar flare, G4 geomagnetic storm watch
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 175.4 +83.6 |
| Last 30 days | 107.3 +14.6 |