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
Latest forum messages
AR 3825 217Unspecified geomagnetic activity 1444Sunspot Latitudes at or near Solar Maximum 55AR13825 2024/09/14 CME 531Quick question 2
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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 | 151.6 -63.9 |
| Last 30 days | 159.7 -53.2 |