Sunspot region AR8398
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/12/01 | 12 | 60 | CAO | N18W05 | |
| 1998/12/02 | 8 | 70 | CAO | N18W15 | |
| 1998/12/03 | 10 | 20 | CAO | N18W28 | |
| 1998/12/04 | 7 | 20 | BXO | N18W40 | |
| 1998/12/05 | 4 | 10 | BXO | N18W52 | |
| 1998/12/06 | 2 | 160 | CSO | N17W60 | |
| 1998/12/07 | 1 | 200 | HSX | N18W72 | |
| 1998/12/08 | 1 | 80 | HAX | N20W86 |
Latest news
Tuesday, 15 April 2025
CME arrival, G3 storm watch
Friday, 28 March 2025
X1.1 solar flare
Monday, 24 March 2025
Coronal hole faces Earth
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/22 | M1.3 |
| Last geomagnetic storm | 2025/04/21 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 121 -13.2 |
| Last 30 days | 113 -27.2 |