| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2017/01/13 | 1 | 30 | HSX | N03E72 | |
| 2017/01/14 | 3 | 50 | CSO | N03E58 | |
| 2017/01/15 | 3 | 50 | CSO | N03E45 | |
| 2017/01/16 | 1 | 40 | HSX | N03E31 | |
| 2017/01/17 | 1 | 60 | HSX | N01E18 | |
| 2017/01/18 | 2 | 50 | HSX | N01E06 | |
| 2017/01/19 | 2 | 40 | CAO | S00W07 | |
| 2017/01/20 | 2 | 20 | HAX | S00W20 | |
| 2017/01/21 | 2 | 40 | HAX | S00W35 | |
| 2017/01/22 | 3 | 30 | HAX | N01W48 | |
| 2017/01/23 | 1 | 0 | AXX | N01W62 |
| B |
|---|
| 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B2.19 | 2017/01/16 | 18:12 | 18:23 | 18:35 |
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/09 | M1.5 |
| 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 +10.6 |