| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/02/21 | 16 | 120 | DAI | N18E06 | |
| 2025/02/22 | 20 | 180 | DAI | N17W07 | |
| 2025/02/23 | 20 | 180 | DAI | N17W20 | |
| 2025/02/24 | 20 | 180 | DAI | N17W34 | |
| 2025/02/25 | 14 | 140 | DAI | N17W48 | |
| 2025/02/26 | 11 | 100 | CAI | N17W62 | |
| 2025/02/27 | 11 | 100 | CAI | N17W76 |
| C | M |
|---|---|
| 4 | 4 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M3.3 | 2025/02/21 | 12:05 | 12:15 | 12:19 | |
| 2 | M3.3 | 2025/02/24 | 06:53 | 07:02 | 07:08 | |
| 3 | M1.5 | 2025/02/24 | 20:51 | 21:01 | 21:09 | |
| 4 | M1.4 | 2025/02/21 | 14:31 | 14:35 | 14:39 | |
| 5 | C7.4 | 2025/02/22 | 03:17 | 03:21 | 03:25 | |
| 6 | C4.8 | 2025/02/21 | 22:39 | 22:48 | 22:53 | |
| 7 | C4.1 | 2025/02/25 | 18:06 | 18:10 | 18:17 | |
| 8 | C3.1 | 2025/02/22 | 00:15 | 00:22 | 00:27 |
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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 |