Sunspot region AR10338
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2003/04/20 | 4 | 20 | BXO | N18E26 | |
| 2003/04/21 | 8 | 40 | DSO | N18E09 | |
| 2003/04/22 | 25 | 50 | DAI | N18W05 | |
| 2003/04/23 | 20 | 100 | DAI | N18W20 | |
| 2003/04/24 | 31 | 170 | EAI | N18W32 | |
| 2003/04/25 | 25 | 200 | EAI | N18W45 | |
| 2003/04/26 | 28 | 210 | EAO | N18W58 | |
| 2003/04/27 | 19 | 250 | EAC | N18W71 | |
| 2003/04/28 | 7 | 200 | DAI | N18W85 |
| C | M | X |
|---|---|---|
| 35 | 10 | 1 |
The top 10 solar flares from sunspot region 10338
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | X1 | 2003/04/26 | 08:01 | 08:07 | 08:09 | |
| 2 | M7.4 | 2003/04/23 | 00:39 | 01:06 | 01:15 | |
| 3 | M4.84 | 2003/04/24 | 12:45 | 12:53 | 13:03 | |
| 4 | M4.14 | 2003/04/21 | 12:54 | 13:07 | 13:14 | |
| 5 | M3.71 | 2003/04/26 | 23:37 | 23:40 | 23:42 | |
| 6 | M3.05 | 2003/04/26 | 00:51 | 00:58 | 01:00 | |
| 7 | M3.02 | 2003/04/26 | 03:01 | 03:06 | 03:12 | |
| 8 | M2.92 | 2003/04/23 | 15:36 | 15:56 | 16:11 | |
| 9 | M2.46 | 2003/04/27 | 15:27 | 15:32 | 15:35 | |
| 10 | M1.34 | 2003/04/27 | 00:50 | 01:01 | 01:21 |
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Latest forum messages
Do the high-resolution sunspot counts point to more complex sunspots? 65Richard Carrington 1Yes, we really went to the moon before. 7AR4366 1029Feb 8-9 CMEs 28
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/12 | M1.4 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 125.3 +12.7 |
| Last 30 days | 130.4 +32.7 |