Sunspot region AR10721
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2005/01/17 | 2 | 20 | CSO | S03E14 | |
| 2005/01/18 | 1 | 0 | AXX | S03E02 |
Latest news
Thursday, 21 November 2024
Major far side eruption, S1 radiation storm
Monday, 11 November 2024
Coronal hole faces Earth
Friday, 1 November 2024
X2.0 solar flare
Latest forum messages
Suggestion - Can admins automatically generate "official" AR topic threads as the regions appear and are numbered? 2>500 meV 21AR 3906 6Comment limitation 6Incoming & Unnumbered Active Regions 1257
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Space weather facts
| Last X-flare | 2024/11/06 | X2.39 |
| Last M-flare | 2024/11/23 | 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 | 144.1 -22.3 |
| Last 30 days | 158.7 +10.9 |