Sunspot region AR9737
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/12/11 | 3 | 10 | BXO | S27E52 | |
| 2001/12/12 | 5 | 120 | DSO | S27E39 | |
| 2001/12/13 | 8 | 80 | DAO | S28E26 | |
| 2001/12/14 | 6 | 30 | DSO | S28E13 | |
| 2001/12/15 | 8 | 40 | DSO | S28E00 | |
| 2001/12/16 | 6 | 70 | DAO | S27W12 | |
| 2001/12/17 | 4 | 40 | DSO | S28W24 | |
| 2001/12/18 | 3 | 50 | DAO | S28W37 | |
| 2001/12/19 | 1 | 20 | AXX | S27W52 | |
| 2001/12/22 | 1 | 10 | HSX | S29W83 |
Latest news
Tuesday, 15 April 2025
CME arrival, G3 storm watch
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/22 | M1.3 |
| Last geomagnetic storm | 2025/04/21 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 121 -13.2 |
| Last 30 days | 114 -22.8 |