| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2011/08/06 | 6 | 10 | BXO | S17E26 | |
| 2011/08/07 | 10 | 60 | DSO | S17E13 | |
| 2011/08/08 | 8 | 40 | DSO | S17W00 | |
| 2011/08/09 | 5 | 10 | BXO | S17W14 | |
| 2011/08/10 | 3 | 10 | AXX | S15W30 |
| C |
|---|
| 5 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C5.98 | 2011/08/06 | 08:37 | 08:47 | 08:51 | |
| 2 | C2.3 | 2011/08/07 | 08:24 | 08:32 | 08:37 | |
| 3 | C1.94 | 2011/08/06 | 11:41 | 11:46 | 11:53 | |
| 4 | C1.93 | 2011/08/05 | 05:56 | 06:07 | 06:14 | |
| 5 | C1.39 | 2011/08/06 | 16:26 | 16:36 | 16:43 |
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| Last X-flare | 2026/02/03 | X1.5 |
| Last M-flare | 2026/02/03 | M3.4 |
| 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 | 133 +9 |
| Last 30 days | 120.6 +10.9 |