Sunspot region AR11686
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/03/04 | 6 | 30 | DRO | S13W31 | |
| 2013/03/05 | 6 | 40 | DSO | S13W46 | |
| 2013/03/06 | 11 | 100 | DAC | S14W59 | |
| 2013/03/07 | 7 | 140 | DAC | S13W73 | |
| 2013/03/08 | 5 | 120 | DAI | S12W84 |
| B | C | M |
|---|---|---|
| 5 | 5 | 1 |
The top 10 solar flares from sunspot region 11686
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.78 | 2013/03/05 | 07:47 | 07:54 | 07:59 | |
| 2 | C2.12 | 2013/03/07 | 16:39 | 16:44 | 16:48 | |
| 3 | C1.69 | 2013/03/05 | 20:38 | 20:44 | 20:48 | |
| 4 | C1.39 | 2013/03/05 | 05:52 | 05:59 | 06:13 | |
| 5 | C1.26 | 2013/03/06 | 10:24 | 10:30 | 10:34 | |
| 6 | C1.16 | 2013/03/05 | 15:50 | 15:55 | 16:04 | |
| 7 | B9.61 | 2013/03/05 | 05:18 | 05:23 | 05:30 | |
| 8 | B9.06 | 2013/03/06 | 04:39 | 04:44 | 04:47 | |
| 9 | B7.31 | 2013/03/05 | 01:51 | 01:54 | 02:00 | |
| 10 | B6.87 | 2013/03/06 | 02:22 | 02:26 | 02:34 |
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
AR4366 976Feb 8-9 CMEs 10AR 4371 19AR 4373 3Do the high-resolution sunspot counts point to more complex sunspots? 50
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/05 | M1.1 |
| 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 | 139.3 +26.7 |
| Last 30 days | 125.9 +20.7 |