Sunspot region AR9170
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2000/09/22 | 8 | 40 | CAO | S07E28 | |
| 2000/09/23 | 18 | 70 | DSO | S07E15 | |
| 2000/09/24 | 20 | 70 | DAO | S06E01 | |
| 2000/09/25 | 17 | 100 | DAO | S05W14 | |
| 2000/09/26 | 19 | 80 | DAO | S06W27 | |
| 2000/09/27 | 26 | 120 | EAI | S05W38 | |
| 2000/09/28 | 17 | 130 | FAO | S06W51 | |
| 2000/09/29 | 10 | 80 | FSO | S06W63 | |
| 2000/09/30 | 4 | 30 | CRO | S05W79 |
Latest news
Tuesday, 15 April 2025
CME arrival, G3 storm watch
Friday, 28 March 2025
X1.1 solar flare
Monday, 24 March 2025
Coronal hole faces Earth
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/22 | M1.3 |
| Last geomagnetic storm | 2025/04/21 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 126.5 -7.7 |
| Last 30 days | 124.6 -4.5 |