| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2015/02/28 | 15 | 80 | DAI | S14W14 | |
| 2015/03/01 | 10 | 90 | DAI | S14W28 | |
| 2015/03/02 | 4 | 60 | BXO | S14W43 | |
| 2015/03/03 | 1 | 10 | AXX | S14W56 |
| C |
|---|
| 4 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C8.07 | 2015/02/28 | 08:58 | 09:39 | 10:07 | |
| 2 | C3.61 | 2015/02/28 | 05:21 | 05:28 | 05:40 | |
| 3 | C1.65 | 2015/02/28 | 07:33 | 07:47 | 07:55 | |
| 4 | C1.32 | 2015/02/27 | 09:02 | 09:54 | 10:03 |
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| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| 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 | 175.4 +83.6 |
| Last 30 days | 107.3 +14.6 |