Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
---|---|---|---|---|---|
1999/08/25 | 2 | 0 | BXO | N26E72 | |
1999/08/26 | 4 | 10 | BXO | N26E61 | |
1999/08/27 | 4 | 20 | BXO | N25E43 | |
1999/08/28 | 7 | 10 | BXO | N25E34 | |
1999/08/29 | 4 | 10 | BXO | N26E20 | |
1999/08/30 | 6 | 20 | BXO | N26E08 | |
1999/08/31 | 4 | 10 | BXO | N27W04 |
C | M |
---|---|
2 | 1 |
Start | Maximum | End | ||||
---|---|---|---|---|---|---|
1 | M1.05 | 1999/08/28 | 14:55 | 15:08 | 15:25 | |
2 | C7.31 | 1999/08/28 | 11:13 | 11:30 | 12:17 | |
3 | C6.77 | 1999/08/28 | 08:23 | 08:28 | 08:30 |
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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 |