Sunspot region AR10342
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2003/04/23 | 6 | 20 | AXX | N18W07 | |
| 2003/04/24 | 4 | 20 | AXX | N18W21 | |
| 2003/04/25 | 6 | 20 | BXO | N17W35 | |
| 2003/04/26 | 9 | 40 | CSO | N17W48 | |
| 2003/04/27 | 5 | 50 | CSO | N17W61 | |
| 2003/04/28 | 1 | 30 | HSX | N17W75 |
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Latest forum messages
What, no CH/HSS thread? 45Incoming & Unnumbered Active Regions 166AR4374 19Current Farside Activity 382Filaments and prominences 489
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/16 | M2.4 |
| Last geomagnetic storm | 2026/02/15 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 109 -3.6 |
| Last 30 days | 126.2 +24.2 |