Sunspot region AR9943
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/05/06 | 4 | 50 | CAO | S11E63 | |
| 2002/05/07 | 1 | 20 | HSX | S11E50 | |
| 2002/05/08 | 3 | 30 | CSO | S10E37 | |
| 2002/05/09 | 5 | 20 | BXO | S10E24 | |
| 2002/05/10 | 3 | 10 | CSO | S10E11 | |
| 2002/05/11 | 3 | 10 | BXO | S10W03 | |
| 2002/05/12 | 1 | 0 | AXX | S10W16 |
| C |
|---|
| 3 |
The top 3 solar flares from sunspot region 9943
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.78 | 2002/05/05 | 19:11 | 19:14 | 19:19 | |
| 2 | C1.63 | 2002/05/07 | 18:15 | 18:48 | 19:07 | |
| 3 | C1.55 | 2002/05/09 | 10:47 | 10:51 | 10:57 |
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
Do the high-resolution sunspot counts point to more complex sunspots? 56Incoming & Unnumbered Active Regions 154Feb 8-9 CMEs 21AR4366 999AR4362 19
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/08 | 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 | 137.7 +25.1 |
| Last 30 days | 127.6 +24.1 |