Sunspot region AR8391
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/11/19 | 3 | 20 | BXO | S17E61 | |
| 1998/11/20 | 9 | 30 | CRO | S16E48 | |
| 1998/11/21 | 18 | 60 | CAO | S17E34 | |
| 1998/11/22 | 17 | 90 | EAO | S17E21 | |
| 1998/11/23 | 18 | 50 | CAO | S17E07 | |
| 1998/11/24 | 8 | 60 | CAO | S16W07 | |
| 1998/11/25 | 3 | 100 | HSX | S14W25 | |
| 1998/11/26 | 3 | 70 | HAX | S14W38 | |
| 1998/11/27 | 2 | 50 | HAX | S15W52 | |
| 1998/11/28 | 1 | 20 | HSX | S15W66 | |
| 1998/11/29 | 1 | 10 | AXX | S15W77 |
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/09 | M1.0 |
| Last geomagnetic storm | 2026/04/03 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 107.7 +21.8 |
| Last 30 days | 99.4 +43 |
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