| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/01/06 | 1 | 60 | HSX | N20E74 | |
| 2013/01/07 | 8 | 120 | DAO | N20E61 | |
| 2013/01/08 | 34 | 320 | FKC | N17E50 | |
| 2013/01/09 | 19 | 210 | FAC | N19E38 | |
| 2013/01/10 | 18 | 200 | EAC | N19E25 | |
| 2013/01/11 | 29 | 230 | EAC | N20E11 | |
| 2013/01/12 | 16 | 210 | EAI | N19W00 | |
| 2013/01/13 | 16 | 210 | EAI | N19W14 | |
| 2013/01/14 | 16 | 210 | CAO | N19W28 | |
| 2013/01/15 | 5 | 160 | HAX | N18W44 | |
| 2013/01/16 | 4 | 120 | CAO | N19W59 | |
| 2013/01/17 | 2 | 90 | HAX | N19W72 | |
| 2013/01/18 | 2 | 30 | HAX | N18W82 |
| C | M |
|---|---|
| 19 | 3 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M2.58 | 2013/01/05 | 09:26 | 09:31 | 09:34 | |
| 2 | M2.47 | 2013/01/13 | 08:35 | 08:38 | 08:40 | |
| 3 | M1.54 | 2013/01/13 | 00:45 | 00:50 | 00:52 | |
| 4 | C9.29 | 2013/01/14 | 01:15 | 01:22 | 01:25 | |
| 5 | C4.55 | 2013/01/12 | 21:57 | 21:58 | 22:00 | |
| 6 | C4.01 | 2013/01/13 | 17:39 | 17:42 | 17:44 | |
| 7 | C3.93 | 2013/01/13 | 06:53 | 06:58 | 07:01 | |
| 8 | C3.93 | 2013/01/13 | 15:48 | 15:52 | 15:55 | |
| 9 | C3.53 | 2013/01/13 | 17:15 | 17:18 | 17:23 | |
| 10 | C3.47 | 2013/01/18 | 09:37 | 09:43 | 09:45 |
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| Last X-flare | 2026/02/02 | X1.6 |
| Last M-flare | 2026/02/02 | M1.1 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| February 2026 | 97 -27 |
| Last 30 days | 118.3 +3.5 |