| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/06/11 | 10 | 40 | DSO | S10E27 | |
| 2001/06/12 | 9 | 30 | CAO | S09E14 | |
| 2001/06/13 | 5 | 20 | CRO | S09E02 | |
| 2001/06/14 | 4 | 20 | CRO | S10W12 | |
| 2001/06/15 | 5 | 30 | DSO | S09W23 | |
| 2001/06/16 | 1 | 20 | AXX | S10W35 | |
| 2001/06/17 | 2 | 20 | BXO | S10W49 | |
| 2001/06/18 | 1 | 0 | AXX | S09W67 |
| C |
|---|
| 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.79 | 2001/06/10 | 12:10 | 12:14 | 12:15 |
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| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/06 | M8.1 |
| 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 | 167.7 +75.9 |
| Last 30 days | 107.1 +13.7 |