Sunspot region AR8531
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/05/05 | 2 | 30 | CSO | N18E65 | |
| 1999/05/06 | 5 | 30 | BXO | N18E52 | |
| 1999/05/07 | 4 | 10 | BXO | N19E38 | |
| 1999/05/08 | 3 | 10 | BXO | N18E24 | |
| 1999/05/09 | 4 | 20 | CRO | N19E08 | |
| 1999/05/10 | 3 | 10 | BXO | N20W05 | |
| 1999/05/13 | 2 | 0 | AXX | N20W45 | |
| 1999/05/15 | 2 | 10 | BXO | N20W74 |
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 31Do the high-resolution sunspot counts point to more complex sunspots? 65Richard Carrington 1Yes, we really went to the moon before. 7AR4366 1029
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/12 | M1.4 |
| 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 | 125.3 +12.7 |
| Last 30 days | 133.2 +36.4 |