Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
---|---|---|---|---|---|
1998/04/15 | 2 | 10 | AXX | N30W12 | |
1998/04/16 | 9 | 100 | DAO | N31W24 | |
1998/04/17 | 9 | 50 | DAO | N31W41 | |
1998/04/18 | 5 | 30 | CRO | N31W51 | |
1998/04/19 | 1 | 0 | AXX | N33W59 |
M |
---|
3 |
Start | Maximum | End | ||||
---|---|---|---|---|---|---|
1 | M1.29 | 1998/04/15 | 14:58 | 15:11 | 15:20 | |
2 | M1.15 | 1998/04/15 | 07:37 | 07:46 | 07:54 | |
3 | M1.06 | 1998/04/15 | 11:55 | 12:33 | 12:42 |
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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 | 146.1 -69.4 |
Last 30 days | 152.7 -59.2 |