Sunspot region AR11912
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/12/03 | 1 | 80 | HSX | S21E66 | |
| 2013/12/04 | 1 | 120 | HSX | S21E53 | |
| 2013/12/05 | 1 | 110 | HSX | S21E40 | |
| 2013/12/06 | 1 | 110 | HSX | S21E26 | |
| 2013/12/07 | 1 | 130 | CAO | S21E17 | |
| 2013/12/08 | 1 | 120 | HSX | S21E01 | |
| 2013/12/09 | 1 | 120 | HSX | S21W12 | |
| 2013/12/10 | 2 | 110 | HSX | S21W24 | |
| 2013/12/11 | 1 | 80 | HSX | S21W38 | |
| 2013/12/12 | 1 | 80 | HSX | S21W52 | |
| 2013/12/13 | 1 | 80 | HSX | S21W64 | |
| 2013/12/14 | 1 | 60 | HSX | S21W79 | |
| 2013/12/16 | 1 | 60 | HSX | S21W0* |
2013/12/03
2013/12/04
2013/12/05
2013/12/06
2013/12/07
2013/12/08
2013/12/09
2013/12/10
2013/12/11
2013/12/12
2013/12/13
2013/12/14
2013/12/16
|
2013/12/03
2013/12/04
2013/12/05
2013/12/06
2013/12/07
2013/12/08
2013/12/09
2013/12/10
2013/12/11
2013/12/12
2013/12/13
2013/12/14
2013/12/16
|
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 11912
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C6.64 | 2013/12/12 | 03:11 | 03:36 | 03:58 |
Latest news
Monday, 1 December 2025
X1.9 solar flare, Coronal hole faces Earth
Friday, 14 November 2025
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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 |