| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2005/06/16 | 14 | 150 | DAI | S17E08 | |
| 2005/06/17 | 19 | 240 | DAI | S17W05 | |
| 2005/06/18 | 25 | 300 | EKI | S18W19 | |
| 2005/06/19 | 24 | 460 | EKI | S18W32 | |
| 2005/06/20 | 16 | 460 | EKO | S17W45 | |
| 2005/06/21 | 15 | 340 | EAO | S17W58 | |
| 2005/06/22 | 13 | 250 | EAI | S16W71 | |
| 2005/06/23 | 2 | 180 | DAO | S19W82 |
| B | C |
|---|---|
| 13 | 3 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.09 | 2005/06/19 | 19:21 | 19:25 | 19:29 | |
| 2 | C2.62 | 2005/06/18 | 23:04 | 23:11 | 23:15 | |
| 3 | C1.54 | 2005/06/18 | 20:10 | 20:34 | 20:43 | |
| 4 | B6 | 2005/06/24 | 01:27 | 01:42 | 02:01 | |
| 5 | B5.57 | 2005/06/19 | 00:29 | 00:34 | 00:39 | |
| 6 | B4.82 | 2005/06/19 | 07:08 | 07:11 | 07:13 | |
| 7 | B4.78 | 2005/06/18 | 15:27 | 15:35 | 15:42 | |
| 8 | B4.64 | 2005/06/18 | 06:49 | 06:52 | 06:54 | |
| 9 | B4.54 | 2005/06/19 | 14:05 | 14:11 | 14:16 | |
| 10 | B4.39 | 2005/06/19 | 13:40 | 13:43 | 13:46 |
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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 |