| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/04/18 | 1 | 40 | HSX | N13E66 | |
| 2012/04/19 | 1 | 90 | HSX | N13E50 | |
| 2012/04/20 | 2 | 30 | CSO | N14E37 | |
| 2012/04/21 | 2 | 10 | BXO | N12E24 | |
| 2012/04/22 | 2 | 10 | BXO | N12E08 |
| C | M |
|---|---|
| 6 | 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M2.54 | 2012/04/16 | 17:24 | 17:45 | 18:00 | |
| 2 | C2.96 | 2012/04/23 | 17:38 | 17:51 | 18:05 | |
| 3 | C2.09 | 2012/04/28 | 01:48 | 01:54 | 02:00 | |
| 4 | C1.84 | 2012/04/17 | 06:06 | 08:09 | 08:52 | |
| 5 | C1.49 | 2012/04/22 | 09:26 | 09:28 | 09:30 | |
| 6 | C1.47 | 2012/04/23 | 12:09 | 12:13 | 12:15 | |
| 7 | C1.41 | 2012/04/22 | 09:11 | 09:15 | 09:22 |
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/21 | M1.3 |
| Last geomagnetic storm | 2025/12/22 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 114.8 +23 |
| Last 30 days | 109.3 +22.9 |