Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
---|---|---|---|---|---|
1999/08/25 | 1 | 40 | HSX | N21E75 | |
1999/08/26 | 2 | 40 | HSX | N18E66 | |
1999/08/27 | 5 | 60 | CAO | N18E53 | |
1999/08/28 | 10 | 80 | DAO | N19E40 | |
1999/08/29 | 18 | 130 | DSO | N20E27 | |
1999/08/30 | 28 | 210 | DSI | N20E14 | |
1999/08/31 | 21 | 170 | DSI | N19E01 | |
1999/09/01 | 20 | 100 | DSO | N20W12 | |
1999/09/02 | 16 | 100 | DSO | N19W25 | |
1999/09/03 | 16 | 70 | DSO | N19W42 | |
1999/09/04 | 4 | 40 | CSO | N19W55 | |
1999/09/05 | 1 | 50 | HSX | N20W69 | |
1999/09/06 | 1 | 70 | HAX | N21W82 |
C | M |
---|---|
2 | 1 |
Start | Maximum | End | ||||
---|---|---|---|---|---|---|
1 | M1.07 | 1999/08/29 | 06:32 | 06:39 | 06:47 | |
2 | C7.64 | 1999/09/02 | 17:43 | 18:28 | 18:55 | |
3 | C1.86 | 1999/09/03 | 20:34 | 20:49 | 20:58 |
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Last X-flare | 2024/12/08 | X2.2 |
Last M-flare | 2024/12/23 | M8.9 |
Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
Spotless days | |
---|---|
Last spotless day | 2022/06/08 |
Monthly mean Sunspot Number | |
---|---|
November 2024 | 152.5 -13.9 |
December 2024 | 106.6 -45.9 |
Last 30 days | 116.1 -41.8 |