Sunspot region AR11099
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2010/08/14 | 13 | 10 | BXO | N17W41 | |
| 2010/08/15 | 8 | 70 | CRO | N18W58 | |
| 2010/08/16 | 11 | 90 | CRI | N18W73 | |
| 2010/08/17 | 4 | 60 | BXO | N17W84 |
| B | C |
|---|---|
| 22 | 10 |
The top 10 solar flares from sunspot region 11099
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C7.67 | 2010/08/15 | 18:23 | 18:30 | 18:37 | |
| 2 | C6.47 | 2010/08/18 | 04:45 | 05:48 | 06:51 | |
| 3 | C6.3 | 2010/08/14 | 09:38 | 10:05 | 10:31 | |
| 4 | C2.3 | 2010/08/14 | 18:03 | 18:08 | 18:10 | |
| 5 | C2.14 | 2010/08/18 | 23:05 | 00:01 | 00:22 | |
| 6 | C1.98 | 2010/08/16 | 16:34 | 16:39 | 16:51 | |
| 7 | C1.35 | 2010/08/14 | 17:09 | 17:14 | 17:16 | |
| 8 | C1.07 | 2010/08/15 | 12:43 | 12:49 | 12:55 | |
| 9 | C1.04 | 2010/08/16 | 15:16 | 15:21 | 15:28 | |
| 10 | C1.04 | 2010/08/17 | 15:44 | 16:03 | 16:17 |
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 988Current Farside Activity 370Incoming & Unnumbered Active Regions 152Feb 8-9 CMEs 17Do the high-resolution sunspot counts point to more complex sunspots? 52
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/08 | M1.8 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 137.7 +25.1 |
| Last 30 days | 126 +20.7 |