Sunspot region AR8150
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/02/04 | 6 | 30 | BXO | N26W29 | |
| 1998/02/05 | 4 | 50 | CSO | N25W43 | |
| 1998/02/06 | 3 | 20 | CRO | N25W56 | |
| 1998/02/07 | 2 | 10 | AXX | N25W69 |
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
Incoming & Unnumbered Active Regions 203Filaments and prominences 493Guess who’s back? AR4366! 3Do the high-resolution sunspot counts point to more complex sunspots? 74Solar cycle 25, solar maximum, is it over? 48
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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 | 2026/02/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (5%) |
| Current stretch | 4 days |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 78.9 -33.7 |
| Last 30 days | 86.6 -35.9 |