Sunspot region AR11816
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/08/08 | 1 | 10 | AXX | S19E62 | |
| 2013/08/09 | 1 | 10 | HRX | S20E47 | |
| 2013/08/10 | 1 | 10 | HRX | S21E33 |
2013/08/08
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2013/08/08
2013/08/09
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Latest news
Friday, 1 November 2024
X2.0 solar flare
Wednesday, 9 October 2024
X1.8 solar flare, severe geomagnetic storm watch
Tuesday, 8 October 2024
Double X-flares, glancing blow possible
Latest forum messages
AR 13883 106AR13883 2024/11/04 CME 13Unspecified geomagnetic activity 1556Coronal holes 32The 2024 Aurora Summit prize winner is... 2
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Space weather facts
| Last X-flare | 2024/10/31 | X2.03 |
| Last M-flare | 2024/11/05 | M4.1 |
| Last geomagnetic storm | 2024/10/12 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| September 2024 | 141.4 -74.1 |
| November 2024 | 215.8 +74.4 |
| Last 30 days | 161.1 +7.2 |