| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2017/01/14 | 1 | 20 | HSX | N08E67 | |
| 2017/01/15 | 2 | 140 | HSX | N08E55 | |
| 2017/01/16 | 2 | 140 | HAX | N09E42 | |
| 2017/01/17 | 3 | 120 | HAX | N08E29 | |
| 2017/01/18 | 4 | 90 | CAO | N08E16 | |
| 2017/01/19 | 3 | 60 | HAX | N07E03 | |
| 2017/01/20 | 4 | 70 | HAX | N08W11 | |
| 2017/01/21 | 3 | 50 | HAX | N08W24 | |
| 2017/01/22 | 3 | 40 | HSX | N08W37 | |
| 2017/01/23 | 1 | 30 | HAX | N08W50 | |
| 2017/01/24 | 2 | 30 | HSX | N08W63 | |
| 2017/01/25 | 2 | 10 | AXX | N08W74 |
| B |
|---|
| 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B1.23 | 2017/01/16 | 01:41 | 01:44 | 01:48 |
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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 |