Sunspot region AR8781
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/11/25 | 1 | 50 | HAX | S13E71 | |
| 1999/11/26 | 1 | 70 | HSX | S13E58 | |
| 1999/11/27 | 4 | 80 | CSO | S13E47 | |
| 1999/11/28 | 13 | 100 | DSO | S13E34 | |
| 1999/11/29 | 27 | 170 | DAI | S13E22 | |
| 1999/11/30 | 23 | 230 | DAI | S13E09 | |
| 1999/12/01 | 21 | 230 | DAI | S12W03 | |
| 1999/12/02 | 16 | 250 | DKI | S12W16 | |
| 1999/12/03 | 20 | 280 | EAO | S12W29 | |
| 1999/12/04 | 13 | 190 | DAO | S12W42 | |
| 1999/12/05 | 4 | 160 | HSX | S12W58 | |
| 1999/12/06 | 4 | 140 | CAO | S13W71 | |
| 1999/12/07 | 2 | 50 | CAO | S12W88 |
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 1004R4374 1Do the high-resolution sunspot counts point to more complex sunspots? 58AR4362 23Feb 8-9 CMEs 22
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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 |