Sunspot region AR9640
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/09/28 | 4 | 40 | CSO | N10E67 | |
| 2001/09/29 | 2 | 20 | BXO | N10E56 | |
| 2001/09/30 | 3 | 30 | HSX | N10E41 | |
| 2001/10/01 | 2 | 20 | CSO | N10E26 | |
| 2001/10/02 | 3 | 40 | CAO | N11E12 | |
| 2001/10/03 | 10 | 20 | CAO | N10E00 | |
| 2001/10/04 | 6 | 10 | BXO | N10W13 | |
| 2001/10/05 | 5 | 20 | BXO | N11W27 |
Latest news
Friday, 28 March 2025
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/01 | M2.5 |
| Last geomagnetic storm | 2025/03/27 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 143 +8.8 |
| Last 30 days | 130.4 -16.1 |