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, 30 March 2026
X1.5 solar flare
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Latest forum messages
Unspecified geomagnetic activity 203AR 4432 1SWPC Display bug or other issues 35AR4431 15Incoming & Unnumbered Active Regions 316
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Space weather facts
| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/05/04 | M1.9 |
| Last geomagnetic storm | 2026/04/20 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2026 | 79.3 -6.6 |
| May 2026 | 143 +63.7 |
| Last 30 days | 91.1 -6.8 |
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