Sunspot region AR9835
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/02/21 | 4 | 40 | DSO | S09W61 | |
| 2002/02/22 | 3 | 170 | DAO | S09W75 | |
| 2002/02/23 | 3 | 110 | DAO | S08W87 |
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
Latest forum messages
Solar filters and telescopes 27Growth of Cycle 25 861AR 14079 163Current Farside Activity 7Unspecified geomagnetic activity 2422
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/05/12 | M1.9 |
| 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 | 77.8 -62.8 |
| Last 30 days | 101.4 -34 |