Sunspot region AR10423
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2003/08/01 | 2 | 20 | CRO | S19W03 | |
| 2003/08/02 | 3 | 10 | BXO | S18W17 | |
| 2003/08/03 | 1 | 10 | AXX | S17W32 | |
| 2003/08/04 | 2 | 20 | DAO | S15W38 | |
| 2003/08/05 | 1 | 10 | HRX | S15W49 |
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 10423
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.75 | 2003/07/31 | 22:16 | 22:21 | 22:30 |
Latest news
Monday, 1 December 2025
X1.9 solar flare, Coronal hole faces Earth
Friday, 14 November 2025
X4.0 solar flare
Tuesday, 11 November 2025
X5.1 solar flare, G4 geomagnetic storm watch
Latest forum messages
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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 |