Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
---|---|---|---|---|---|
1999/08/30 | 1 | 40 | HSX | N18E65 | |
1999/08/31 | 2 | 20 | CSO | N18E51 | |
1999/09/01 | 1 | 10 | HSX | N19E37 | |
1999/09/02 | 5 | 20 | CSO | N18E26 | |
1999/09/03 | 3 | 10 | CRO | N18E11 | |
1999/09/04 | 6 | 10 | BXO | N18W02 | |
1999/09/05 | 11 | 40 | DSO | N17W14 | |
1999/09/06 | 15 | 60 | DSO | N18W28 | |
1999/09/07 | 13 | 50 | DAO | N17W41 | |
1999/09/08 | 11 | 40 | BXO | N18W55 | |
1999/09/09 | 4 | 20 | CSO | N18W69 | |
1999/09/10 | 3 | 30 | CRO | N18W85 |
B |
---|
1 |
Start | Maximum | End | ||||
---|---|---|---|---|---|---|
1 | B8.96 | 1999/09/06 | 12:07 | 12:13 | 12:19 |
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Last X-flare | 2024/05/15 | X2.9 |
Last M-flare | 2024/05/19 | M1.6 |
Last geomagnetic storm | 2024/05/17 | Kp6 (G2) |
Spotless days | |
---|---|
Last spotless day | 2022/06/08 |
Monthly mean Sunspot Number | |
---|---|
April 2024 | 136.5 +31.6 |
May 2024 | 155.9 +19.4 |
Last 30 days | 163.2 +40.8 |