| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/05/09 | 5 | 30 | DAO | N05E61 | |
| 2013/05/10 | 7 | 30 | DAO | N04E56 | |
| 2013/05/11 | 10 | 60 | DAO | N05E42 | |
| 2013/05/12 | 13 | 190 | DAI | N05E28 | |
| 2013/05/13 | 13 | 190 | DAI | N05E28 | |
| 2013/05/14 | 11 | 90 | DAI | N05W00 | |
| 2013/05/15 | 11 | 90 | DAI | N05W00 | |
| 2013/05/16 | 23 | 70 | CAO | N05W12 | |
| 2013/05/17 | 18 | 120 | CAO | N05W27 | |
| 2013/05/18 | 23 | 100 | DAO | N06W40 | |
| 2013/05/19 | 5 | 70 | DAO | N06W54 | |
| 2013/05/20 | 3 | 50 | CAO | N06W67 | |
| 2013/05/21 | 3 | 50 | CAO | N06W67 |
| C | M |
|---|---|
| 11 | 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.29 | 2013/05/09 | 22:52 | 23:16 | 23:32 | |
| 2 | C7.03 | 2013/05/17 | 04:37 | 04:41 | 04:43 | |
| 3 | C4.46 | 2013/05/10 | 02:40 | 02:44 | 02:47 | |
| 4 | C3.92 | 2013/05/09 | 17:36 | 17:42 | 18:11 | |
| 5 | C3.18 | 2013/05/09 | 20:52 | 21:00 | 21:17 | |
| 6 | C3.04 | 2013/05/10 | 02:57 | 03:01 | 03:06 | |
| 7 | C2.34 | 2013/05/09 | 21:50 | 22:01 | 22:11 | |
| 8 | C1.93 | 2013/05/12 | 06:16 | 06:19 | 06:24 | |
| 9 | C1.83 | 2013/05/11 | 02:52 | 02:56 | 03:01 | |
| 10 | C1.78 | 2013/05/16 | 12:14 | 12:17 | 12:26 |
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2026/01/11 | M3.3 |
| Last geomagnetic storm | 2026/01/11 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 100.8 -23.2 |
| Last 30 days | 99.2 -9.4 |