Sunspot region AR11642
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/01/01 | 2 | 50 | HAX | S24E71 | |
| 2013/01/02 | 1 | 90 | HSX | S23E62 | |
| 2013/01/03 | 1 | 140 | HSX | S23E48 | |
| 2013/01/04 | 1 | 80 | HSX | S24E34 | |
| 2013/01/05 | 1 | 100 | HSX | S24E22 | |
| 2013/01/06 | 1 | 80 | HSX | S24E10 | |
| 2013/01/07 | 1 | 90 | HSX | S25W04 | |
| 2013/01/08 | 1 | 120 | HSX | S25W16 | |
| 2013/01/09 | 1 | 80 | HSX | S25W29 | |
| 2013/01/10 | 1 | 50 | HSX | S25W41 | |
| 2013/01/11 | 1 | 60 | HSX | S24W56 | |
| 2013/01/12 | 1 | 110 | HSX | S25W70 | |
| 2013/01/13 | 1 | 110 | HSX | S25W84 |
Latest news
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/28 | M1.3 |
| Last geomagnetic storm | 2026/03/25 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 85.2 +7 |
| Last 30 days | 85.2 +8.6 |
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