Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
---|---|---|---|---|---|
2023/08/16 | 9 | 30 | CRO | N21W17 | |
2023/08/17 | 7 | 20 | CRO | N20W30 | |
2023/08/18 | 5 | 20 | BXO | N20W41 | |
2023/08/19 | 5 | 30 | CRO | N22W56 | |
2023/08/20 | 3 | 10 | BXO | N22W70 |
C |
---|
4 |
Start | Maximum | End | ||||
---|---|---|---|---|---|---|
1 | C3.7 | 2023/08/18 | 19:09 | 19:30 | 19:49 | |
2 | C3.0 | 2023/08/18 | 21:17 | 21:35 | 21:58 | |
3 | C1.7 | 2023/08/17 | 07:27 | 07:36 | 07:50 | |
4 | C1.7 | 2023/08/18 | 10:30 | 10:48 | 11:08 |
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Last X-flare | 2024/09/14 | X4.54 |
Last M-flare | 2024/09/14 | M3.0 |
Last geomagnetic storm | 2024/09/17 | Kp8- (G4) |
Spotless days | |
---|---|
Last spotless day | 2022/06/08 |
Monthly mean Sunspot Number | |
---|---|
August 2024 | 215.5 +19 |
September 2024 | 151.6 -63.9 |
Last 30 days | 158.3 -54.2 |