Sunspot region AR8721
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/10/04 | 6 | 50 | CSO | S17E56 | |
| 1999/10/05 | 12 | 100 | EAO | S19E46 | |
| 1999/10/06 | 7 | 110 | EAO | S18E34 | |
| 1999/10/07 | 7 | 60 | DAO | S19E20 | |
| 1999/10/08 | 6 | 70 | DSO | S19E05 | |
| 1999/10/09 | 3 | 40 | CAO | S17W12 | |
| 1999/10/10 | 7 | 30 | CSO | S17W24 | |
| 1999/10/11 | 2 | 10 | HRX | S17W37 | |
| 1999/10/12 | 1 | 10 | HRX | S16W50 | |
| 1999/10/13 | 1 | 0 | AXX | S15W64 |
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
Filaments and prominences 526AR 13901 110AR 13903 1Incoming & Unnumbered Active Regions 1246Sunspot Latitudes at or near Solar Maximum 76
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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 | 156.1 +4.7 |