Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
---|---|---|---|---|---|
1999/08/19 | 6 | 10 | BXO | N12E01 | |
1999/08/20 | 12 | 40 | CRO | N15W17 | |
1999/08/21 | 6 | 20 | CRO | N16W31 | |
1999/08/22 | 2 | 10 | AXX | N16W49 |
M |
---|
1 |
Start | Maximum | End | ||||
---|---|---|---|---|---|---|
1 | M1.5 | 1999/08/19 | 11:59 | 12:05 | 12:13 |
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Last X-flare | 2025/03/28 | X1.1 |
Last M-flare | 2025/04/01 | M2.4 |
Last geomagnetic storm | 2025/03/27 | Kp5 (G1) |
Spotless days | |
---|---|
Last spotless day | 2022/06/08 |
Monthly mean Sunspot Number | |
---|---|
February 2025 | 154.6 +17.6 |
April 2025 | 147 -7.6 |
Last 30 days | 128.8 -21.8 |