Sunspot region AR8151
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/02/04 | 2 | 30 | CSO | S24E75 | |
| 1998/02/05 | 2 | 60 | CSO | S24E61 | |
| 1998/02/06 | 4 | 60 | HSX | S22E49 | |
| 1998/02/07 | 2 | 60 | HSX | S23E38 | |
| 1998/02/08 | 1 | 30 | HSX | S21E24 | |
| 1998/02/09 | 1 | 40 | HSX | S22E11 | |
| 1998/02/10 | 1 | 40 | HRX | S22W02 | |
| 1998/02/11 | 1 | 50 | HSX | S24W14 | |
| 1998/02/12 | 1 | 20 | HSX | S24W26 | |
| 1998/02/13 | 1 | 0 | AXX | S24W40 | |
| 1998/02/14 | 1 | 0 | AXX | S24W52 | |
| 1998/02/15 | 1 | 0 | AXX | S24W67 | |
| 1998/02/16 | 1 | 0 | AXX | S22W80 |
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
Feb 8-9 CMEs 22AR4362 21Incoming & Unnumbered Active Regions 155AR4366 1002Do the high-resolution sunspot counts point to more complex sunspots? 57
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/09 | M2.8 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 135.3 +22.7 |
| Last 30 days | 127.2 +23.7 |