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
Monday, 30 March 2026
X1.5 solar flare
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/04 | 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 | 125 +39.1 |
| Last 30 days | 99.5 +41.7 |
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