Sunspot region AR11263
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2011/07/29 | 3 | 260 | DHO | N18E73 | |
| 2011/07/30 | 5 | 310 | DHO | N18E59 | |
| 2011/07/31 | 12 | 470 | DHI | N18E48 | |
| 2011/08/01 | 17 | 460 | DKI | N18E34 | |
| 2011/08/02 | 23 | 460 | DKI | N17E21 | |
| 2011/08/03 | 25 | 560 | EKI | N17E08 | |
| 2011/08/04 | 16 | 600 | DKI | N17W06 | |
| 2011/08/05 | 17 | 720 | EKC | N17W18 | |
| 2011/08/06 | 20 | 570 | EKC | N16W31 | |
| 2011/08/07 | 23 | 440 | EKC | N18W42 | |
| 2011/08/08 | 27 | 510 | EKC | N17W55 | |
| 2011/08/09 | 13 | 450 | EKC | N18W68 | |
| 2011/08/10 | 8 | 340 | EHC | N17W81 | |
| 2011/08/11 | 4 | 230 | ESO | N17W93 |
| B | C | M | X |
|---|---|---|---|
| 5 | 44 | 4 | 1 |
The top 10 solar flares from sunspot region 11263
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | X9.96 | 2011/08/09 | 07:48 | 08:05 | 08:08 | |
| 2 | M5.05 | 2011/08/08 | 18:00 | 18:10 | 18:18 | |
| 3 | M3.67 | 2011/08/09 | 03:19 | 03:54 | 04:08 | |
| 4 | M2.47 | 2011/08/03 | 04:29 | 04:32 | 04:35 | |
| 5 | M1.11 | 2011/08/08 | 22:00 | 22:09 | 22:20 | |
| 6 | C8.91 | 2011/08/11 | 09:34 | 10:23 | 10:36 | |
| 7 | C8.77 | 2011/08/10 | 10:21 | 10:44 | 10:55 | |
| 8 | C7.63 | 2011/08/08 | 23:02 | 23:22 | 23:59 | |
| 9 | C5.6 | 2011/08/09 | 23:33 | 23:43 | 23:49 | |
| 10 | C3.55 | 2011/08/10 | 09:30 | 09:37 | 09:43 |
Latest news
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/18 | M2.7 |
| Last geomagnetic storm | 2026/03/21 | Kp7 (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 76.1 -2.1 |
| Last 30 days | 65.3 -33.8 |