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
Wednesday, 5 March 2025
Coronal hole faces Earth
Sunday, 23 February 2025
X2.0 solar flare from sunspot region 4001
Friday, 7 February 2025
Coronal hole faces Earth, Minor G1 geomagnetic storm watch
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CMEs from March 16-17 and small CH 96Filaments and prominences 72850 mhz F2 63Ask your obscure/"stupid" space weather questions. 344AR 4031 2
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Space weather facts
| Last X-flare | 2025/02/23 | X2.0 |
| Last M-flare | 2025/03/19 | M1.5 |
| Last geomagnetic storm | 2025/03/14 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| March 2025 | 138.4 -16.2 |
| Last 30 days | 143.2 -6.1 |