Sunspot region AR10405
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2003/07/12 | 2 | 80 | HAX | S10E66 | |
| 2003/07/13 | 3 | 120 | CAO | S10E52 | |
| 2003/07/14 | 10 | 90 | CAO | S11E41 | |
| 2003/07/15 | 19 | 70 | DAO | S11E28 | |
| 2003/07/16 | 11 | 100 | DSO | S11E13 | |
| 2003/07/17 | 5 | 50 | CSO | S11E01 | |
| 2003/07/18 | 3 | 20 | CSO | S10W16 | |
| 2003/07/19 | 4 | 40 | HSX | S10W29 | |
| 2003/07/20 | 2 | 30 | HSX | S10W43 | |
| 2003/07/21 | 1 | 20 | HSX | S11W57 | |
| 2003/07/22 | 1 | 10 | AXX | S12W72 | |
| 2003/07/23 | 1 | 10 | HSX | S09W84 |
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
AR4366 594X1.9 CME 1354Do the high-resolution sunspot counts point to more complex sunspots? 45New satellites - Proba-3, PUNCH, SWFO-L1, GOES-U/19 69Anomalous sunspots on the sun ? 5
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Space weather facts
| Last X-flare | 2026/02/02 | X1.6 |
| Last M-flare | 2026/02/02 | M3.3 |
| 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 | 97 -27 |
| Last 30 days | 117.7 +5.8 |