Sunspot region AR9617
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/09/13 | 5 | 180 | DAO | N10E71 | |
| 2001/09/14 | 6 | 120 | CAO | N11E56 | |
| 2001/09/15 | 6 | 70 | DAO | N11E43 | |
| 2001/09/16 | 7 | 60 | DSO | N08E30 | |
| 2001/09/17 | 4 | 40 | CSO | N13E17 | |
| 2001/09/18 | 4 | 20 | CSO | N08E04 | |
| 2001/09/19 | 5 | 20 | CRO | N08W10 | |
| 2001/09/20 | 11 | 20 | BXO | N10W21 |
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
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Space weather facts
| Last X-flare | 2025/01/04 | X1.85 |
| Last M-flare | 2025/01/22 | M1.3 |
| 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 | 145.8 -8.7 |
| Last 30 days | 161.9 +43 |