Sunspot region AR8178
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/03/11 | 1 | 100 | HSX | S15E72 | |
| 1998/03/12 | 1 | 140 | HSX | S16E59 | |
| 1998/03/13 | 1 | 100 | HSX | S17E47 | |
| 1998/03/14 | 1 | 110 | HSX | S16E34 | |
| 1998/03/15 | 1 | 110 | HSX | S17E20 | |
| 1998/03/16 | 1 | 130 | HSX | S16E07 | |
| 1998/03/17 | 2 | 130 | HSX | S16W06 | |
| 1998/03/18 | 2 | 100 | HAX | S16W19 | |
| 1998/03/19 | 2 | 80 | HAX | S16W32 | |
| 1998/03/20 | 1 | 50 | HAX | S17W45 | |
| 1998/03/21 | 1 | 60 | HSX | S17W54 | |
| 1998/03/22 | 1 | 40 | HSX | S17W71 | |
| 1998/03/23 | 1 | 30 | HSX | S15W83 |
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/18 | M4.4 |
| Last geomagnetic storm | 2025/04/16 | Kp8- (G4) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 120.1 -14.1 |
| Last 30 days | 116.4 -25.9 |