Sunspot region AR9939
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/05/05 | 1 | 50 | HAX | N16E67 | |
| 2002/05/06 | 1 | 50 | HSX | N17E52 | |
| 2002/05/07 | 1 | 40 | HSX | N17E40 | |
| 2002/05/08 | 1 | 20 | HSX | N16E27 | |
| 2002/05/09 | 2 | 20 | HAX | N16E14 | |
| 2002/05/10 | 1 | 30 | HSX | N19W01 | |
| 2002/05/11 | 17 | 60 | CSO | N19W12 |
Latest news
Thursday, 16 January 2025
Coronal hole faces Earth
Saturday, 4 January 2025
Sunspot region 3947, X-class solar flares
Monday, 30 December 2024
Two earth-directed coronal mass ejections
Latest forum messages
AR 3967 33Penticton down? 701/21/2025 AR 3967 M3.3 CME 2The Terminator Theory and Implications for growth of Cycle 25 64Filaments and prominences 615
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Space weather facts
| Last X-flare | 2025/01/04 | X1.85 |
| Last M-flare | 2025/01/21 | M3.3 |
| Last geomagnetic storm | 2025/01/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2024 | 154.5 +2 |
| January 2025 | 145.2 -9.3 |
| Last 30 days | 163.2 +45.8 |