| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/05/16 | 2 | 10 | AXX | S19E65 | |
| 2012/05/17 | 4 | 10 | BXO | S20E51 | |
| 2012/05/18 | 3 | 10 | BXO | S19E37 | |
| 2012/05/19 | 3 | 10 | AXX | S20E27 |
| B |
|---|
| 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B6.75 | 2012/05/22 | 04:00 | 04:04 | 04:10 |
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/10 | M4.4 |
| Last geomagnetic storm | 2025/12/10 | Kp6+ (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 155.3 +63.5 |
| Last 30 days | 109 +10.8 |