Sunspot region AR11228
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2011/05/30 | 1 | 120 | HSX | N17E67 | |
| 2011/05/31 | 1 | 110 | HSX | N17E55 | |
| 2011/06/01 | 8 | 100 | CSO | N17E50 | |
| 2011/06/02 | 6 | 90 | CSO | N17E31 | |
| 2011/06/03 | 8 | 130 | CSO | N17E20 | |
| 2011/06/04 | 10 | 150 | DAO | N18E05 | |
| 2011/06/05 | 7 | 90 | DAO | N17W08 | |
| 2011/06/06 | 5 | 60 | DSO | N18W21 | |
| 2011/06/07 | 4 | 70 | CSO | N18W35 | |
| 2011/06/08 | 8 | 60 | DAO | N17W47 | |
| 2011/06/09 | 2 | 10 | AXX | N17W64 | |
| 2011/06/10 | 1 | 0 | AXX | N17W79 |
| B | C |
|---|---|
| 4 | 3 |
The top 7 solar flares from sunspot region 11228
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.76 | 2011/06/01 | 02:37 | 02:53 | 03:06 | |
| 2 | C1.23 | 2011/06/06 | 14:28 | 14:36 | 14:39 | |
| 3 | C1.08 | 2011/06/04 | 16:32 | 16:47 | 17:00 | |
| 4 | B9.36 | 2011/06/06 | 13:15 | 13:20 | 13:28 | |
| 5 | B9.3 | 2011/06/06 | 05:24 | 06:00 | 06:25 | |
| 6 | B8.57 | 2011/06/06 | 15:02 | 15:06 | 15:10 | |
| 7 | B2.99 | 2011/06/10 | 15:39 | 15:44 | 15:47 |
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/08 | M2.0 |
| 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 | 162.7 +70.9 |
| Last 30 days | 108 +13.3 |