Sunspot region AR8403
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/12/04 | 1 | 20 | HSX | N20E50 | |
| 1998/12/05 | 1 | 30 | HSX | N19E38 | |
| 1998/12/06 | 1 | 60 | HSX | N19E26 | |
| 1998/12/07 | 4 | 50 | CSO | N19E15 | |
| 1998/12/08 | 1 | 40 | HSX | N20W02 | |
| 1998/12/09 | 1 | 40 | HSX | N20W15 | |
| 1998/12/10 | 1 | 40 | HSX | N20W28 | |
| 1998/12/11 | 1 | 30 | HSX | N21W41 | |
| 1998/12/12 | 1 | 40 | HSX | N20W54 | |
| 1998/12/13 | 1 | 30 | HSX | N20W66 | |
| 1998/12/14 | 1 | 20 | AXX | N20W80 |
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 | 128.3 +42.3 |
| Last 30 days | 98.2 +38.5 |
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