Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
---|---|---|---|---|---|
1998/02/12 | 2 | 10 | BXO | S19E77 | |
1998/02/13 | 3 | 10 | BXO | S19E62 | |
1998/02/14 | 4 | 10 | BXO | S19E50 | |
1998/02/15 | 4 | 20 | CSO | S20E36 | |
1998/02/16 | 4 | 10 | BXO | S21E23 | |
1998/02/17 | 5 | 20 | CRO | S21E10 | |
1998/02/18 | 3 | 10 | BXO | S21W03 | |
1998/02/19 | 3 | 10 | BXO | S22W14 | |
1998/02/20 | 4 | 20 | BXO | S21W29 | |
1998/02/23 | 2 | 10 | BXO | S20W69 | |
1998/02/24 | 5 | 70 | CSO | S19W82 |
B |
---|
1 |
Start | Maximum | End | ||||
---|---|---|---|---|---|---|
1 | B4.9 | 1998/02/18 | 06:31 | 06:36 | 06:38 |
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Last X-flare | 2025/01/04 | X1.85 |
Last M-flare | 2025/01/21 | M3.3 |
Last geomagnetic storm | 2025/01/04 | Kp5 (G1) |
Spotless days | |
---|---|
Last spotless day | 2022/06/08 |
Monthly mean Sunspot Number | |
---|---|
December 2024 | 154.5 +2 |
January 2025 | 145.2 -9.3 |
Last 30 days | 163.2 +45.8 |