Sunspot region AR9840
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/02/22 | 2 | 20 | AXX | S12E72 | |
| 2002/02/23 | 2 | 20 | CSO | S12E58 | |
| 2002/02/24 | 2 | 40 | CSO | S11E46 | |
| 2002/02/25 | 1 | 20 | HSX | S11E33 | |
| 2002/02/26 | 2 | 10 | HSX | S11E20 | |
| 2002/03/03 | 1 | 0 | AXX | S14W52 | |
| 2002/03/04 | 4 | 10 | BXO | S16W64 | |
| 2002/03/05 | 5 | 60 | CAO | S19W77 |
Latest news
Tuesday, 15 April 2025
CME arrival, G3 storm watch
Friday, 28 March 2025
X1.1 solar flare
Monday, 24 March 2025
Coronal hole faces Earth
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/30 | M2.03 |
| Last geomagnetic storm | 2025/05/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2025 | 140.6 +6.4 |
| May 2025 | 77.9 -62.7 |
| Last 30 days | 102.3 -35 |