Sunspot region AR8559
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/05/29 | 4 | 300 | HKX | N21E13 | |
| 1999/05/30 | 3 | 250 | HKX | N20E03 | |
| 1999/05/31 | 7 | 330 | DKO | N21W08 | |
| 1999/06/01 | 1 | 260 | HSX | N20W23 | |
| 1999/06/02 | 3 | 170 | HHX | N19W33 | |
| 1999/06/03 | 2 | 240 | CHO | N22W50 | |
| 1999/06/04 | 1 | 250 | HHX | N21W63 | |
| 1999/06/05 | 1 | 160 | HSX | N21W76 | |
| 1999/06/06 | 1 | 100 | HSX | N21W90 |
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
Latest forum messages
Solar cycle 25, solar maximum, is it over? 63AR4416 4Artemis 2 Live 9Late 2026/04/01 Filament CME 89AR4413 13
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/09 | 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 | 114.3 +28.4 |
| Last 30 days | 101.8 +46.6 |
