Sunspot region AR13946
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/01/02 | 6 | 160 | DAO | S12W53 | |
| 2025/01/03 | 4 | 120 | DAO | S10W69 | |
| 2025/01/04 | 4 | 120 | DAO | S08W79 | |
| 2025/01/05 | 4 | 120 | DAO | S10W95 | |
| 2025/01/06 | 4 | 120 | DAO | S10W0* |
2025/01/03
2025/01/04
2025/01/05
2025/01/06
|
2025/01/03
2025/01/04
2025/01/05
2025/01/06
|
Latest news
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Latest forum messages
CMes from ar 4392 (19-21st of march) 182Aurora photography hints for those of us with smartphones 77Filaments and prominences 517Current Farside Activity 424What, no CH/HSS thread? 57
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/18 | M2.7 |
| Last geomagnetic storm | 2026/03/20 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 77.5 -0.7 |
| Last 30 days | 63.5 -42.2 |