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 |
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Monday, 1 December 2025
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 175.4 +83.6 |
| Last 30 days | 107.3 +14.6 |