Sunspot region AR11283
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2011/08/31 | 1 | 60 | HSX | N12E71 | |
| 2011/09/01 | 2 | 100 | CSO | N12E61 | |
| 2011/09/02 | 10 | 200 | CSO | N12E49 | |
| 2011/09/03 | 11 | 200 | DSO | N13E37 | |
| 2011/09/04 | 21 | 220 | DSI | N14E24 | |
| 2011/09/05 | 21 | 190 | DAI | N13E11 | |
| 2011/09/06 | 29 | 220 | EAI | N14W04 | |
| 2011/09/07 | 23 | 200 | EAI | N14W18 | |
| 2011/09/08 | 14 | 230 | DAI | N14W32 | |
| 2011/09/09 | 12 | 200 | CAO | N16W42 | |
| 2011/09/10 | 12 | 210 | EAO | N17W55 | |
| 2011/09/11 | 7 | 200 | DSO | N13W73 | |
| 2011/09/12 | 2 | 140 | DSO | N14W87 |
| B | C | M | X |
|---|---|---|---|
| 2 | 18 | 5 | 2 |
The top 10 solar flares from sunspot region 11283
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | X3.03 | 2011/09/06 | 22:12 | 22:20 | 22:24 | |
| 2 | X2.6 | 2011/09/07 | 22:32 | 22:38 | 22:44 | |
| 3 | M9.61 | 2011/09/08 | 15:32 | 15:46 | 15:52 | |
| 4 | M7.71 | 2011/09/06 | 01:35 | 01:50 | 02:05 | |
| 5 | M3.86 | 2011/09/09 | 06:01 | 06:11 | 06:17 | |
| 6 | M1.78 | 2011/09/09 | 12:39 | 12:49 | 12:56 | |
| 7 | M1.59 | 2011/09/10 | 07:18 | 07:40 | 07:56 | |
| 8 | C9.51 | 2011/09/11 | 08:41 | 08:51 | 09:27 | |
| 9 | C4.67 | 2011/09/09 | 14:42 | 14:59 | 15:24 | |
| 10 | C3.26 | 2011/08/31 | 11:16 | 11:24 | 11:31 |
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 186 +94.2 |
| Last 30 days | 106.3 +12.6 |