Sunspot region AR8306
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/08/16 | 2 | 10 | AXX | N28E82 | |
| 1998/08/17 | 1 | 60 | HSX | N27E68 | |
| 1998/08/18 | 1 | 50 | HSX | N27E55 | |
| 1998/08/19 | 1 | 50 | HSX | N27E43 | |
| 1998/08/20 | 2 | 50 | HSX | N27E30 | |
| 1998/08/21 | 2 | 30 | HSX | N28E17 | |
| 1998/08/22 | 5 | 10 | BXO | N28E05 |
Latest news
Saturday, 4 January 2025
Sunspot region 3947, X-class solar flares
Monday, 30 December 2024
Two earth-directed coronal mass ejections
Sunday, 29 December 2024
Strong G3 geoamagnetic storm watch issued
Latest forum messages
AR 3947 209Growth of Cycle 25 786Ask your obscure/"stupid" space weather questions. 182How did you get into space weather? 36jsoc 97
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Space weather facts
| Last X-flare | 2025/01/04 | X1.85 |
| Last M-flare | 2025/01/09 | M1.1 |
| Last geomagnetic storm | 2025/01/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2024 | 154.5 +2 |
| January 2025 | 159.6 +5.1 |
| Last 30 days | 151.7 +31.9 |