| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/05/19 | 2 | 50 | DSO | N07E72 | |
| 2001/05/20 | 6 | 230 | DAO | N07E59 | |
| 2001/05/21 | 14 | 400 | EKO | N09E46 | |
| 2001/05/22 | 22 | 500 | EKI | N12E31 | |
| 2001/05/23 | 30 | 380 | EKI | N10E18 | |
| 2001/05/24 | 33 | 720 | EKI | N07E04 | |
| 2001/05/25 | 25 | 670 | FKI | N07W09 | |
| 2001/05/26 | 26 | 480 | EKI | N08W23 | |
| 2001/05/27 | 20 | 530 | EKO | N08W38 | |
| 2001/05/28 | 13 | 490 | EKI | N08W51 | |
| 2001/05/29 | 10 | 420 | EHO | N08W64 | |
| 2001/05/30 | 1 | 300 | HKX | N08W81 |
| C |
|---|
| 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C5.82 | 2001/05/25 | 23:57 | 00:06 | 00:10 |
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/09 | M1.1 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 160.6 +68.8 |
| Last 30 days | 108.7 +12.8 |