Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
---|---|---|---|---|---|
1997/10/11 | 7 | 10 | BXO | N23W24 | |
1997/10/12 | 5 | 10 | BXO | N21W37 | |
1997/10/13 | 8 | 20 | BXO | N20W50 | |
1997/10/14 | 4 | 20 | BXO | N20W63 | |
1997/10/15 | 1 | 0 | AXX | N21W74 |
B | C |
---|---|
1 | 1 |
Start | Maximum | End | ||||
---|---|---|---|---|---|---|
1 | C1.41 | 1997/10/13 | 23:11 | 23:18 | 23:23 | |
2 | B2.39 | 1997/10/13 | 00:40 | 00:45 | 00:49 |
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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 | 147.6 -68 |
Last 30 days | 154.6 -57.2 |