Sunspot region AR11538
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/08/01 | 2 | 30 | DRO | S23E68 | |
| 2012/08/02 | 6 | 160 | DAO | S22E54 | |
| 2012/08/03 | 7 | 220 | DAO | S23E43 | |
| 2012/08/04 | 6 | 220 | DAO | S22E28 | |
| 2012/08/05 | 8 | 220 | ESO | S22E16 | |
| 2012/08/06 | 8 | 140 | DSO | S22E02 | |
| 2012/08/07 | 5 | 130 | DSO | S22W11 | |
| 2012/08/08 | 3 | 100 | DSO | S22W23 | |
| 2012/08/09 | 2 | 100 | DSO | S23W35 | |
| 2012/08/10 | 5 | 160 | DSO | S22W47 | |
| 2012/08/11 | 6 | 110 | DSO | S23W60 | |
| 2012/08/12 | 2 | 70 | DSO | S23W74 | |
| 2012/08/13 | 1 | 10 | AXX | S22W87 |
| C |
|---|
| 11 |
The top 10 solar flares from sunspot region 11538
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C9.1 | 2012/07/31 | 23:50 | 00:00 | 00:04 | |
| 2 | C4.66 | 2012/08/09 | 05:27 | 05:33 | 05:35 | |
| 3 | C3.56 | 2012/08/01 | 03:57 | 04:02 | 04:06 | |
| 4 | C2 | 2012/08/03 | 07:52 | 08:11 | 08:23 | |
| 5 | C1.95 | 2012/07/31 | 23:29 | 23:33 | 23:36 | |
| 6 | C1.91 | 2012/07/31 | 15:54 | 16:02 | 16:07 | |
| 7 | C1.67 | 2012/08/01 | 14:19 | 14:23 | 14:27 | |
| 8 | C1.65 | 2012/08/01 | 14:01 | 14:04 | 14:09 | |
| 9 | C1.56 | 2012/08/09 | 21:26 | 21:52 | 22:19 | |
| 10 | C1.5 | 2012/08/01 | 05:26 | 05:29 | 05:32 |
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| Last M-flare | 2025/12/09 | M1.1 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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