Sunspot region AR9578
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/08/13 | 8 | 30 | CAO | S10W11 | |
| 2001/08/14 | 8 | 60 | DAO | S09W25 | |
| 2001/08/15 | 7 | 40 | CSO | S08W38 | |
| 2001/08/16 | 4 | 20 | CSO | S08W53 | |
| 2001/08/17 | 1 | 60 | AXX | S10W65 |
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
The magnetic latitude problem 6AR 4055 111Unspecified geomagnetic activity 2311Ask your obscure/"stupid" space weather questions. 372Incoming & Unnumbered Active Regions 1800
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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 | 113 -27.2 |