Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
---|---|---|---|---|---|
1999/12/10 | 1 | 50 | HSX | S15E58 | |
1999/12/11 | 1 | 30 | HSX | S14E44 | |
1999/12/12 | 2 | 30 | CSO | S15E31 | |
1999/12/13 | 2 | 30 | CSO | S14E19 | |
1999/12/14 | 5 | 20 | CSO | S13E05 | |
1999/12/15 | 1 | 10 | HSX | S13W08 | |
1999/12/16 | 6 | 20 | BXO | S14W20 | |
1999/12/17 | 10 | 30 | BXO | S14W27 | |
1999/12/18 | 10 | 20 | BXO | S14W40 | |
1999/12/19 | 2 | 0 | AXX | S16W53 |
C |
---|
4 |
Start | Maximum | End | ||||
---|---|---|---|---|---|---|
1 | C3.21 | 1999/12/09 | 19:49 | 19:58 | 20:17 | |
2 | C3.17 | 1999/12/16 | 08:31 | 08:36 | 08:45 | |
3 | C3.01 | 1999/12/19 | 19:27 | 19:31 | 19:35 | |
4 | C1.67 | 1999/12/11 | 07:30 | 07:39 | 07:45 |
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Last X-flare | 2024/11/06 | X2.39 |
Last M-flare | 2024/11/13 | M1.7 |
Last geomagnetic storm | 2024/11/10 | Kp5+ (G1) |
Spotless days | |
---|---|
Last spotless day | 2022/06/08 |
Monthly mean Sunspot Number | |
---|---|
October 2024 | 166.4 +25 |
November 2024 | 166 -0.4 |
Last 30 days | 163.2 +18.4 |