Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
---|---|---|---|---|---|
1999/09/08 | 6 | 90 | DSO | S25E74 | |
1999/09/09 | 8 | 230 | ESO | S27E60 | |
1999/09/10 | 12 | 340 | DAO | S26E48 | |
1999/09/11 | 22 | 320 | EAI | S27E36 | |
1999/09/12 | 16 | 270 | EAO | S27E23 | |
1999/09/13 | 19 | 230 | EAO | S26E11 | |
1999/09/14 | 30 | 260 | EAI | S28W01 | |
1999/09/15 | 23 | 200 | ESO | S27W14 | |
1999/09/16 | 19 | 160 | CSO | S26W27 | |
1999/09/17 | 16 | 170 | ESO | S26W41 | |
1999/09/18 | 8 | 170 | EAO | S25W53 | |
1999/09/19 | 5 | 110 | CSO | S25W69 | |
1999/09/20 | 1 | 60 | HSX | S23W84 |
C |
---|
4 |
Start | Maximum | End | ||||
---|---|---|---|---|---|---|
1 | C4.46 | 1999/09/17 | 17:59 | 18:04 | 18:09 | |
2 | C1.67 | 1999/09/16 | 22:07 | 22:19 | 22:23 | |
3 | C1.43 | 1999/09/16 | 13:00 | 13:04 | 13:08 | |
4 | C1.24 | 1999/09/10 | 09:14 | 09:20 | 09:23 |
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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 |