Sunspot region AR11874
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/10/18 | 4 | 20 | DAO | S10E22 | |
| 2013/10/19 | 8 | 50 | DAO | S10E07 | |
| 2013/10/20 | 6 | 40 | DAO | S11W06 | |
| 2013/10/21 | 10 | 40 | CAO | S11W20 | |
| 2013/10/22 | 9 | 40 | CSI | S11W32 | |
| 2013/10/23 | 13 | 30 | DRO | S11W47 |
2013/10/18
2013/10/19
2013/10/20
2013/10/21
2013/10/22
2013/10/23
|
2013/10/18
2013/10/19
2013/10/20
2013/10/21
2013/10/22
2013/10/23
|
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/09 | M1.1 |
| 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 | 107.4 +11.4 |