Sunspot region AR11918
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/12/09 | 3 | 60 | HAX | S09E76 | |
| 2013/12/10 | 4 | 110 | DAO | S08E63 | |
| 2013/12/11 | 8 | 170 | DAO | S09E51 | |
| 2013/12/12 | 7 | 160 | DAO | S09E38 | |
| 2013/12/13 | 13 | 180 | DAO | S08E25 | |
| 2013/12/14 | 11 | 180 | DAO | S09E11 | |
| 2013/12/15 | 8 | 180 | DAO | S10W02 | |
| 2013/12/16 | 11 | 170 | CAO | S10W15 | |
| 2013/12/17 | 6 | 90 | CAO | S10W29 | |
| 2013/12/18 | 6 | 90 | CAO | S10W29 | |
| 2013/12/19 | 1 | 50 | HAX | S09W55 | |
| 2013/12/20 | 3 | 10 | AXX | S10W70 |
2013/12/09
2013/12/10
2013/12/11
2013/12/12
2013/12/13
2013/12/14
2013/12/15
2013/12/16
2013/12/17
2013/12/18
2013/12/19
2013/12/20
|
2013/12/09
2013/12/10
2013/12/11
2013/12/12
2013/12/13
2013/12/14
2013/12/15
2013/12/16
2013/12/17
2013/12/18
2013/12/19
2013/12/20
|
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/04 | M1.8 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| February 2026 | 141.3 +17.3 |
| Last 30 days | 123.1 +14.7 |