Sunspot region AR9902
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/04/08 | 1 | 120 | HAX | N11E75 | |
| 2002/04/09 | 3 | 90 | CSO | N13E64 | |
| 2002/04/10 | 4 | 120 | ESO | N13E54 | |
| 2002/04/11 | 3 | 100 | ESO | N13E43 | |
| 2002/04/12 | 5 | 80 | ESO | N13E31 | |
| 2002/04/13 | 8 | 120 | CSO | N14E19 | |
| 2002/04/14 | 7 | 90 | EAO | N13E03 | |
| 2002/04/15 | 11 | 90 | ESO | N13W11 | |
| 2002/04/16 | 8 | 120 | CSO | N12W28 | |
| 2002/04/17 | 5 | 70 | CSO | N12W42 | |
| 2002/04/18 | 3 | 50 | CSO | N12W55 | |
| 2002/04/19 | 1 | 60 | HSX | N12W70 | |
| 2002/04/20 | 1 | 40 | HSX | N12W84 |
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Wednesday, 31 December 2025
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2026/01/14 | M1.6 |
| Last geomagnetic storm | 2026/01/11 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 91.4 -32.6 |
| Last 30 days | 97.9 -8.3 |