Sunspot region AR11663
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/01/27 | 3 | 10 | BXO | S10E46 | |
| 2013/01/28 | 7 | 40 | DSO | S10E33 | |
| 2013/01/29 | 8 | 80 | DSO | S11E19 | |
| 2013/01/30 | 9 | 120 | DSO | S11E05 | |
| 2013/01/31 | 1 | 80 | HSX | S09W11 | |
| 2013/02/01 | 2 | 50 | CSO | S09W24 | |
| 2013/02/02 | 6 | 50 | HSX | S10W36 | |
| 2013/02/03 | 2 | 30 | CAO | S09W52 | |
| 2013/02/04 | 1 | 0 | AXX | S09W65 |
| B | C |
|---|---|
| 2 | 1 |
The top 3 solar flares from sunspot region 11663
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.57 | 2013/01/31 | 04:30 | 04:34 | 04:37 | |
| 2 | B4.2 | 2013/01/31 | 05:06 | 05:10 | 05:16 | |
| 3 | B2.81 | 2013/01/31 | 05:36 | 05:40 | 05:48 |
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/10 | M1.6 |
| 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 | 157.7 +65.9 |
| Last 30 days | 108.9 +11.4 |