Sunspot region AR8504
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/03/31 | 3 | 140 | HSX | S28E61 | |
| 1999/04/01 | 4 | 90 | CAO | S28E47 | |
| 1999/04/02 | 4 | 110 | CAO | S28E36 | |
| 1999/04/03 | 7 | 70 | CSO | S28E23 | |
| 1999/04/04 | 10 | 70 | DSO | S28E11 | |
| 1999/04/05 | 10 | 50 | DSO | S28W02 | |
| 1999/04/06 | 11 | 50 | DSO | S28W15 | |
| 1999/04/07 | 6 | 20 | BXO | S28W27 | |
| 1999/04/08 | 4 | 10 | BXO | S27W40 |
Latest news
Monday, 22 April 2024
Lot's of sunspots! Big chance for major flare activity?
Saturday, 23 March 2024
X1.1 solar flare with earth-directed CME
Wednesday, 20 March 2024
Sunspot region 3615, G1 watch
Latest forum messages
AR 3637, 3638, 3643 69Space Weather Memes 337Unproven theories 340Filaments and prominences 55Growth of Cycle 25 433
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Space weather facts
| Last X-flare | 2024/03/28 | X1.1 |
| Last M-flare | 2024/04/24 | M1.6 |
| Last geomagnetic storm | 2024/04/19 | Kp7 (G3) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2024 | 104.9 -19.8 |
| Last 30 days | 124.7 +19.1 |