Sunspot region AR10728
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2005/01/26 | 1 | 50 | HSX | S14E66 | |
| 2005/01/27 | 2 | 10 | BXO | S14E53 | |
| 2005/01/28 | 2 | 10 | BXO | S14E36 | |
| 2005/01/29 | 1 | 10 | AXX | S14E24 | |
| 2005/01/31 | 2 | 10 | HSX | S13E01 | |
| 2005/02/01 | 1 | 0 | AXX | S11W12 |
Latest news
Saturday, 14 September 2024
X4.5 solar flare with a fast coronal mass ejection
Thursday, 12 September 2024
G3 geomagnetic storm watch due to CME passage
Monday, 12 August 2024
Severe G4 geomagnetic storm
Latest forum messages
AR 3835 3Incoming & Unnumbered Active Regions 1024AR3834 10Sunspots Backside Monitor Comparison 3Different colors of aurora 3
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Space weather facts
| Last X-flare | 2024/09/14 | X4.54 |
| Last M-flare | 2024/09/14 | M3.0 |
| Last geomagnetic storm | 2024/09/17 | Kp8- (G4) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| August 2024 | 215.5 +19 |
| September 2024 | 146.1 -69.4 |
| Last 30 days | 151.7 -60.5 |