Sunspot region AR10072
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/08/12 | 2 | 10 | BXO | S18W23 | |
| 2002/08/13 | 8 | 40 | DSO | S18W35 | |
| 2002/08/14 | 9 | 160 | DAO | S18W48 | |
| 2002/08/15 | 6 | 210 | DAO | S17W60 | |
| 2002/08/16 | 5 | 310 | DAO | S18W78 | |
| 2002/08/17 | 2 | 120 | DSO | S18W91 |
Latest news
Saturday, 4 January 2025
Sunspot region 3947, X-class solar flares
Monday, 30 December 2024
Two earth-directed coronal mass ejections
Sunday, 29 December 2024
Strong G3 geoamagnetic storm watch issued
Latest forum messages
AR 3947 184AR13939 2025/01/04 CME 53AR 3939 6306/01/2025 M 4.87 flare with a faint CME 4Strong far side CME 361
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Space weather facts
| Last X-flare | 2025/01/04 | X1.85 |
| Last M-flare | 2025/01/07 | M1.1 |
| Last geomagnetic storm | 2025/01/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2024 | 154.5 +2 |
| January 2025 | 166.3 +11.8 |
| Last 30 days | 151.1 +28.5 |