Sunspot region AR10345
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2003/04/25 | 4 | 30 | CSO | S17E74 | |
| 2003/04/26 | 8 | 170 | DAO | S17E61 | |
| 2003/04/27 | 6 | 170 | DAO | S17E48 | |
| 2003/04/28 | 6 | 190 | DAO | S17E34 | |
| 2003/04/29 | 13 | 210 | DAO | S17E21 | |
| 2003/04/30 | 15 | 190 | DAO | S16E08 | |
| 2003/05/01 | 9 | 110 | DAO | S17W06 | |
| 2003/05/02 | 7 | 120 | DAO | S17W19 | |
| 2003/05/03 | 12 | 130 | DAO | S17W34 | |
| 2003/05/04 | 6 | 110 | DAO | S17W46 | |
| 2003/05/05 | 4 | 100 | DAO | S17W60 | |
| 2003/05/06 | 3 | 60 | DAO | S17W72 | |
| 2003/05/07 | 1 | 30 | HSX | S17W86 |
| C | M |
|---|---|
| 4 | 1 |
The top 5 solar flares from sunspot region 10345
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.49 | 2003/05/02 | 02:47 | 03:08 | 03:44 | |
| 2 | C7.74 | 2003/05/02 | 18:04 | 18:14 | 19:32 | |
| 3 | C3.94 | 2003/05/03 | 18:26 | 18:31 | 18:36 | |
| 4 | C1.67 | 2003/04/30 | 17:18 | 18:15 | 19:19 | |
| 5 | C1.46 | 2003/04/29 | 07:48 | 07:51 | 07:55 |
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
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/04 | M1.8 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| February 2026 | 133 +9 |
| Last 30 days | 121.6 +13.3 |