Sunspot region AR10640
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2004/06/28 | 2 | 40 | AXX | S09E68 | |
| 2004/06/29 | 2 | 40 | DAO | S07E56 | |
| 2004/06/30 | 4 | 50 | DAO | S07E41 | |
| 2004/07/01 | 4 | 20 | CSO | S08E28 | |
| 2004/07/02 | 2 | 60 | CSO | S09E15 | |
| 2004/07/03 | 5 | 20 | DSO | S09E02 | |
| 2004/07/04 | 7 | 30 | BXO | S09W13 | |
| 2004/07/05 | 7 | 10 | BXO | S10W25 | |
| 2004/07/06 | 1 | 30 | AXX | S08W39 | |
| 2004/07/07 | 2 | 10 | AXX | S07W55 |
| B | C |
|---|---|
| 2 | 1 |
The top 3 solar flares from sunspot region 10640
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.87 | 2004/06/30 | 14:26 | 14:39 | 14:45 | |
| 2 | B3.86 | 2004/06/30 | 11:48 | 11:56 | 12:01 | |
| 3 | B3.18 | 2004/06/30 | 07:19 | 07:24 | 07:31 |
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
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Space weather facts
| Last X-flare | 2024/09/14 | X4.54 |
| Last M-flare | 2024/09/22 | M3.7 |
| 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 |