Sunspot region AR11447
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/03/28 | 5 | 40 | CRO | S25W55 | |
| 2012/03/29 | 2 | 10 | AXX | S23W68 | |
| 2012/03/30 | 2 | 10 | AXX | S24W79 |
| B | C |
|---|---|
| 1 | 1 |
The top 2 solar flares from sunspot region 11447
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.56 | 2012/03/29 | 11:46 | 11:51 | 11:54 | |
| 2 | B6.65 | 2012/03/28 | 11:31 | 11:34 | 11:36 |
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 | M2.4 |
| 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 | 128.8 -21.8 |