Sunspot region AR11261
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2011/07/27 | 2 | 200 | DHO | N16E74 | |
| 2011/07/28 | 5 | 250 | DKO | N15E60 | |
| 2011/07/29 | 10 | 280 | DKO | N15E49 | |
| 2011/07/30 | 21 | 300 | DAI | N16E33 | |
| 2011/07/31 | 23 | 350 | DKC | N17E22 | |
| 2011/08/01 | 35 | 350 | EKI | N16E05 | |
| 2011/08/02 | 50 | 350 | FKC | N16W08 | |
| 2011/08/03 | 25 | 390 | FKC | N15W21 | |
| 2011/08/04 | 15 | 300 | DKI | N16W37 | |
| 2011/08/05 | 19 | 380 | DAI | N15W49 | |
| 2011/08/06 | 12 | 270 | DSI | N14W64 | |
| 2011/08/07 | 8 | 150 | DSO | N16W77 | |
| 2011/08/08 | 6 | 90 | CSO | N16W89 |
| B | C | M | X |
|---|---|---|---|
| 5 | 44 | 5 | 2 |
The top 10 solar flares from sunspot region 11261
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | X1.34 | 2011/07/30 | 02:04 | 02:09 | 02:12 | |
| 2 | X1.34 | 2011/08/04 | 03:41 | 03:57 | 04:04 | |
| 3 | M8.71 | 2011/08/03 | 13:17 | 13:48 | 14:10 | |
| 4 | M2.13 | 2011/08/02 | 05:19 | 06:19 | 06:48 | |
| 5 | M1.69 | 2011/08/03 | 03:08 | 03:37 | 03:51 | |
| 6 | M1.26 | 2011/08/03 | 07:38 | 07:58 | 08:06 | |
| 7 | M1.22 | 2011/08/03 | 19:23 | 19:30 | 19:42 | |
| 8 | C9.08 | 2011/07/29 | 16:34 | 16:40 | 16:46 | |
| 9 | C5.73 | 2011/08/01 | 07:19 | 07:32 | 07:44 | |
| 10 | C5.62 | 2011/07/29 | 12:13 | 12:17 | 12:26 |
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Space weather facts
| Last X-flare | 2025/06/19 | X1.9 |
| Last M-flare | 2025/10/03 | M1.2 |
| Last geomagnetic storm | 2025/10/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| September 2025 | 129.8 -3.7 |
| October 2025 | 140.1 +10.3 |
| Last 30 days | 131.3 -1.2 |