Sunspot region AR8337
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/09/17 | 2 | 10 | BXO | S39E42 | |
| 1998/09/18 | 4 | 10 | BXO | S40E28 | |
| 1998/09/19 | 4 | 40 | CSO | S40E19 | |
| 1998/09/20 | 4 | 30 | CRO | S39E02 | |
| 1998/09/21 | 4 | 20 | BXO | S40W11 | |
| 1998/09/22 | 6 | 10 | BXO | S40W22 | |
| 1998/09/24 | 1 | 0 | AXX | S36W50 |
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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AR4294 / 4296 / 4298 348AR4299 M8.1 CME 2025/12/06 63Changelog/Featurelog 177Incoming & Unnumbered Active Regions 20AR 4299 87
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/06 | M8.1 |
| 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 | 167.7 +75.9 |
| Last 30 days | 107.1 +13.7 |