Sunspot region AR11157
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2011/02/09 | 3 | 10 | CRO | N22E36 | |
| 2011/02/10 | 7 | 20 | CSO | N22E22 | |
| 2011/02/11 | 7 | 20 | CRO | N22E08 | |
| 2011/02/12 | 2 | 10 | BXO | N18W04 | |
| 2011/02/13 | 5 | 30 | CRO | N18W18 | |
| 2011/02/14 | 7 | 40 | DSO | N18W30 | |
| 2011/02/15 | 9 | 40 | DSO | N19W43 | |
| 2011/02/16 | 9 | 50 | DAO | N19W57 | |
| 2011/02/17 | 2 | 10 | BXO | N19W70 |
| B |
|---|
| 2 |
The top 2 solar flares from sunspot region 11157
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B6.05 | 2011/02/09 | 05:42 | 05:47 | 05:54 | |
| 2 | B4.05 | 2011/02/09 | 19:57 | 20:04 | 20:11 |
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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 | 106.4 +13.7 |