Sunspot region AR11641
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/01/01 | 3 | 40 | CSO | N05E52 | |
| 2013/01/02 | 3 | 50 | CAO | N05E39 | |
| 2013/01/03 | 3 | 50 | CSO | N05E23 | |
| 2013/01/04 | 1 | 50 | HSX | N05E07 | |
| 2013/01/05 | 2 | 40 | CAO | N04W05 | |
| 2013/01/06 | 3 | 40 | HSX | N04W20 | |
| 2013/01/07 | 1 | 30 | HSX | N02W33 | |
| 2013/01/08 | 1 | 10 | HRX | N02W48 |
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 11641
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.1 | 2013/01/09 | 08:10 | 08:15 | 08:21 |
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
Latest forum messages
Current Farside Activity 355X8 CME 86Space Weather Memes 789Incoming & Unnumbered Active Regions 151AR4362 17
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| 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 | 123.9 +16.5 |