Sunspot region AR11891
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/11/07 | 3 | 20 | CAO | S18W11 | |
| 2013/11/08 | 9 | 70 | DAC | S18W24 | |
| 2013/11/09 | 17 | 120 | DAI | S18W37 | |
| 2013/11/10 | 9 | 80 | DAO | S18W50 |
2013/11/07
2013/11/08
2013/11/09
2013/11/10
|
2013/11/07
2013/11/08
2013/11/09
2013/11/10
|
| C | M |
|---|---|
| 4 | 1 |
The top 5 solar flares from sunspot region 11891
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M3.32 | 2013/11/08 | 09:22 | 09:28 | 09:31 | |
| 2 | C8.22 | 2013/11/08 | 02:33 | 02:40 | 02:46 | |
| 3 | C6.13 | 2013/11/07 | 08:15 | 08:23 | 08:27 | |
| 4 | C5.3 | 2013/11/07 | 02:08 | 02:11 | 02:14 | |
| 5 | C2.07 | 2013/11/08 | 07:38 | 07:57 | 08:18 |
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Space weather facts
| Last X-flare | 2025/06/19 | X1.9 |
| Last M-flare | 2025/10/03 | M1.2 |
| Last geomagnetic storm | 2025/10/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| September 2025 | 129.8 -3.7 |
| October 2025 | 140.1 +10.3 |
| Last 30 days | 131.3 -1.2 |