Sunspot region AR11309
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2011/10/03 | 2 | 80 | DSO | N23E67 | |
| 2011/10/04 | 6 | 120 | DAO | N24E55 | |
| 2011/10/05 | 6 | 160 | DAO | N24E42 | |
| 2011/10/06 | 3 | 160 | DSO | N24E28 | |
| 2011/10/07 | 5 | 170 | CSO | N22E14 | |
| 2011/10/08 | 4 | 80 | DSO | N23E02 | |
| 2011/10/09 | 3 | 70 | DSO | N22W11 | |
| 2011/10/10 | 1 | 70 | HSX | N23W24 | |
| 2011/10/11 | 2 | 40 | HSX | N23W38 | |
| 2011/10/12 | 1 | 40 | HSX | N23W51 | |
| 2011/10/13 | 1 | 40 | CSO | N23W62 | |
| 2011/10/14 | 1 | 70 | HSX | N23W75 | |
| 2011/10/15 | 1 | 60 | HSX | N24W86 |
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 11309
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.6 | 2011/10/08 | 04:13 | 04:20 | 04:46 |
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
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| Last M-flare | 2026/02/05 | M1.8 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| February 2026 | 141.3 +17.3 |
| Last 30 days | 123.1 +14.7 |