Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
---|---|---|---|---|---|
1997/12/09 | 6 | 20 | BXO | N32E00 | |
1997/12/10 | 8 | 50 | CRO | N32W13 | |
1997/12/11 | 8 | 110 | DAO | N33W25 | |
1997/12/12 | 15 | 100 | DSO | N32W38 | |
1997/12/13 | 8 | 80 | DAO | N33W49 | |
1997/12/14 | 6 | 90 | CAO | N31W63 | |
1997/12/15 | 2 | 70 | CAO | N31W81 | |
1997/12/16 | 1 | 10 | AXX | N32W88 |
C |
---|
1 |
Start | Maximum | End | ||||
---|---|---|---|---|---|---|
1 | C1.94 | 1997/12/12 | 07:14 | 07:19 | 07:25 |
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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 | |
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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 |