| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2010/06/11 | 5 | 10 | BXO | S25W39 | |
| 2010/06/12 | 4 | 100 | DAI | S23W54 | |
| 2010/06/13 | 4 | 50 | DRO | S23W67 | |
| 2010/06/14 | 4 | 10 | AXX | S24W77 |
| B | C |
|---|---|
| 1 | 2 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.68 | 2010/06/13 | 07:05 | 07:08 | 07:10 | |
| 2 | C1.41 | 2010/06/12 | 03:57 | 04:06 | 04:17 | |
| 3 | B5.13 | 2010/06/12 | 02:53 | 02:58 | 03:03 |
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| Last X-flare | 2026/02/03 | X1.5 |
| Last M-flare | 2026/02/03 | M2.5 |
| 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 | 114 -10 |
| Last 30 days | 118.1 +6.2 |