Sunspot region AR11535
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/07/31 | 7 | 110 | DAI | N18E64 | |
| 2012/08/01 | 8 | 130 | DAI | N18E51 | |
| 2012/08/02 | 12 | 150 | EAI | N18E37 | |
| 2012/08/03 | 10 | 120 | DSO | N17E24 | |
| 2012/08/04 | 7 | 100 | CSO | N18E09 | |
| 2012/08/05 | 10 | 100 | CSO | N18W02 | |
| 2012/08/06 | 6 | 90 | CSO | N18W15 | |
| 2012/08/07 | 4 | 80 | CSO | N19W29 | |
| 2012/08/08 | 2 | 50 | CSO | N19W42 | |
| 2012/08/09 | 2 | 70 | CSO | N18W54 | |
| 2012/08/10 | 1 | 80 | HSX | N19W70 | |
| 2012/08/11 | 1 | 90 | HSX | N18W81 |
| C |
|---|
| 9 |
The top 9 solar flares from sunspot region 11535
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C8.2 | 2012/07/31 | 10:46 | 11:30 | 12:26 | |
| 2 | C4.3 | 2012/08/03 | 21:20 | 21:27 | 21:31 | |
| 3 | C3.94 | 2012/08/04 | 04:13 | 04:18 | 04:22 | |
| 4 | C3.31 | 2012/08/01 | 12:47 | 12:52 | 12:58 | |
| 5 | C1.96 | 2012/08/04 | 01:25 | 01:30 | 01:34 | |
| 6 | C1.94 | 2012/08/04 | 06:03 | 06:08 | 06:11 | |
| 7 | C1.78 | 2012/08/01 | 23:39 | 23:45 | 23:49 | |
| 8 | C1.74 | 2012/07/31 | 19:25 | 19:30 | 19:35 | |
| 9 | C1.67 | 2012/07/31 | 09:35 | 09:40 | 09:57 |
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| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/04 | M1.0 |
| Last geomagnetic storm | 2026/04/03 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
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| April 2026 | 121 +35.1 |
| Last 30 days | 102.1 +47 |
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