Sunspot region AR11307
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2011/09/29 | 2 | 10 | BXO | N14E75 | |
| 2011/09/30 | 4 | 10 | BXO | N16E65 | |
| 2011/10/01 | 3 | 30 | CSO | N14E48 | |
| 2011/10/02 | 4 | 30 | DRO | N14E37 | |
| 2011/10/03 | 5 | 30 | ERO | N15E22 | |
| 2011/10/04 | 1 | 15 | HRX | N13E05 | |
| 2011/10/05 | 4 | 10 | BXO | N15W01 | |
| 2011/10/06 | 2 | 5 | BXO | N17W13 |
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 11307
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C4.86 | 2011/09/30 | 18:42 | 18:47 | 18:53 |
Latest news
Sunday, 1 February 2026
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Monday, 19 January 2026
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X1.9 solar flare with earth-directed CME
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/13 | M1.0 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 116.2 +3.6 |
| Last 30 days | 131.1 +32.9 |