Sunspot region AR11738
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/05/03 | 1 | 30 | HSX | N16E63 | |
| 2013/05/04 | 2 | 10 | CSO | N15E47 | |
| 2013/05/05 | 3 | 30 | CAO | N15E34 | |
| 2013/05/06 | 5 | 50 | CAO | N15E20 | |
| 2013/05/07 | 7 | 60 | CAI | N15E06 | |
| 2013/05/08 | 8 | 70 | CAI | N15W08 | |
| 2013/05/09 | 8 | 50 | CAI | N15W21 | |
| 2013/05/10 | 7 | 30 | CAI | N17W33 | |
| 2013/05/11 | 4 | 40 | CAO | N17W43 | |
| 2013/05/12 | 4 | 10 | BXO | N17W59 | |
| 2013/05/13 | 4 | 10 | BXO | N17W59 |
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| C |
|---|
| 2 |
The top 2 solar flares from sunspot region 11738
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C4.19 | 2013/05/08 | 00:15 | 00:22 | 00:30 | |
| 2 | C1.63 | 2013/05/15 | 16:09 | 16:13 | 16:18 |
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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 | 175.4 +83.6 |
| Last 30 days | 107.3 +14.6 |