Sunspot region AR10427
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2003/08/04 | 11 | 60 | DAO | N04W16 | |
| 2003/08/05 | 13 | 110 | DAO | N05W30 | |
| 2003/08/06 | 7 | 80 | DAO | N05W44 | |
| 2003/08/07 | 7 | 90 | DSO | N05W60 | |
| 2003/08/08 | 1 | 30 | HSX | N05W77 | |
| 2003/08/09 | 1 | 70 | HSX | N66W91 |
| B | C |
|---|---|
| 1 | 2 |
The top 3 solar flares from sunspot region 10427
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.17 | 2003/08/03 | 07:49 | 07:54 | 07:56 | |
| 2 | C1.25 | 2003/08/03 | 13:08 | 13:21 | 13:41 | |
| 3 | B6.79 | 2003/08/03 | 06:18 | 06:22 | 06:26 |
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
AR4420 213AR4425 60SWPC Display bug or other issues 33CMEs from AR4420 (April 23th - 24th) 55Incoming & Unnumbered Active Regions 294
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Space weather facts
| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/04/28 | M1.1 |
| Last geomagnetic storm | 2026/04/20 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 88.4 +2.5 |
| Last 30 days | 91.7 +5.2 |
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