Sunspot region AR11665
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/01/30 | 1 | 220 | HAX | N12E61 | |
| 2013/01/31 | 2 | 180 | DSO | N11E49 | |
| 2013/02/01 | 3 | 150 | HAX | N11E37 | |
| 2013/02/02 | 4 | 120 | CAO | N12E23 | |
| 2013/02/03 | 6 | 140 | CAO | N10E09 | |
| 2013/02/04 | 5 | 190 | CSO | N10W04 | |
| 2013/02/05 | 2 | 170 | HSX | N10W18 | |
| 2013/02/06 | 1 | 120 | HSX | N10W31 | |
| 2013/02/07 | 1 | 120 | HSX | N12W44 | |
| 2013/02/08 | 1 | 120 | HSX | N12W58 | |
| 2013/02/09 | 1 | 120 | HSX | N13W72 | |
| 2013/02/10 | 1 | 80 | HSX | N11W81 | |
| 2013/02/11 | 1 | 60 | HSX | N10W93 |
| B | C |
|---|---|
| 5 | 2 |
The top 7 solar flares from sunspot region 11665
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.13 | 2013/02/03 | 17:29 | 18:01 | 18:32 | |
| 2 | C1.79 | 2013/02/02 | 05:02 | 05:11 | 05:15 | |
| 3 | B9.77 | 2013/02/01 | 03:34 | 03:42 | 03:46 | |
| 4 | B5.07 | 2013/02/01 | 13:45 | 13:49 | 13:54 | |
| 5 | B3.1 | 2013/01/30 | 10:20 | 10:27 | 10:35 | |
| 6 | B2.34 | 2013/01/30 | 09:58 | 10:02 | 10:07 | |
| 7 | B2.19 | 2013/01/30 | 22:07 | 22:10 | 22:12 |
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/25 | M2.4 |
| Last geomagnetic storm | 2026/03/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (5%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 75 -3.2 |
| Last 30 days | 57.2 -67.7 |