Sunspot region AR11855
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/10/01 | 8 | 10 | BXO | S13E16 | |
| 2013/10/02 | 17 | 80 | DSI | S14E01 | |
| 2013/10/03 | 16 | 130 | DSI | S14W11 | |
| 2013/10/04 | 14 | 90 | DSO | S13W26 | |
| 2013/10/05 | 15 | 80 | DAI | S13W39 | |
| 2013/10/06 | 9 | 70 | DAO | S13W53 | |
| 2013/10/07 | 7 | 40 | CAO | S13W67 | |
| 2013/10/08 | 2 | 30 | CRO | S13W82 |
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Space weather facts
| Last X-flare | 2024/05/15 | X2.9 |
| Last M-flare | 2024/05/17 | M7.1 |
| Last geomagnetic storm | 2024/05/17 | Kp6 (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2024 | 136.5 +31.6 |
| May 2024 | 157.2 +20.7 |
| Last 30 days | 174.3 +64.2 |