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, 11 November 2024
Coronal hole faces Earth
Friday, 1 November 2024
X2.0 solar flare
Wednesday, 9 October 2024
X1.8 solar flare, severe geomagnetic storm watch
Latest forum messages
Filaments and prominences 498AR 13901 107Incoming & Unnumbered Active Regions 1245Sunspot Latitudes at or near Solar Maximum 76The Rotations of AR 13780 and AR 13902 1
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Space weather facts
| Last X-flare | 2024/11/06 | X2.39 |
| Last M-flare | 2024/11/20 | M1.1 |
| Last geomagnetic storm | 2024/11/10 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2024 | 166.4 +25 |
| November 2024 | 142.7 -23.8 |
| Last 30 days | 155.2 +4.4 |