Sunspot region AR8463
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/02/13 | 1 | 40 | HSX | S16E59 | |
| 1999/02/14 | 1 | 70 | HSX | S15E45 | |
| 1999/02/15 | 1 | 60 | HSX | S16E33 | |
| 1999/02/16 | 2 | 80 | HSX | S16E20 | |
| 1999/02/17 | 1 | 70 | HSX | S17E06 | |
| 1999/02/18 | 1 | 70 | HSX | S17W07 | |
| 1999/02/19 | 1 | 50 | HSX | S17W19 | |
| 1999/02/20 | 1 | 50 | HSX | S18W33 | |
| 1999/02/21 | 1 | 40 | HSX | S17W46 | |
| 1999/02/22 | 2 | 40 | CSO | S17W62 | |
| 1999/02/23 | 1 | 10 | HRX | S17W72 |
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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