Sunspot region AR11571
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/09/13 | 1 | 110 | CSO | S12E57 | |
| 2012/09/14 | 3 | 130 | CSO | S13E46 | |
| 2012/09/15 | 2 | 100 | CSO | S12E33 | |
| 2012/09/16 | 3 | 100 | CSO | S13E19 | |
| 2012/09/17 | 6 | 90 | CSO | S13E06 | |
| 2012/09/18 | 3 | 60 | HSX | S13W08 | |
| 2012/09/19 | 2 | 60 | HSX | S13W21 | |
| 2012/09/20 | 1 | 30 | HSX | S14W35 | |
| 2012/09/21 | 3 | 50 | CAO | S14W46 | |
| 2012/09/22 | 3 | 10 | BXO | S13W59 |
Latest news
Friday, 28 March 2025
X1.1 solar flare
Monday, 24 March 2025
Coronal hole faces Earth
Saturday, 22 March 2025
Strong G3 geomagnetic storm watch for 23 March
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/01 | M2.5 |
| Last geomagnetic storm | 2025/03/27 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| April 2025 | 147 -7.6 |
| Last 30 days | 129.8 -18.9 |