Sunspot region AR10357
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2003/05/12 | 3 | 40 | CSO | S16E70 | |
| 2003/05/13 | 6 | 70 | ESO | S16E56 | |
| 2003/05/14 | 4 | 80 | DSO | S16E43 | |
| 2003/05/15 | 4 | 50 | DSO | S16E30 | |
| 2003/05/16 | 3 | 40 | DSO | S17E18 | |
| 2003/05/17 | 4 | 50 | DAO | S17E07 | |
| 2003/05/18 | 11 | 50 | DAO | S15W06 | |
| 2003/05/19 | 14 | 50 | DSI | S16W20 | |
| 2003/05/20 | 18 | 60 | CAO | S16W34 | |
| 2003/05/21 | 10 | 50 | CSO | S15W48 | |
| 2003/05/22 | 8 | 40 | CAO | S16W61 | |
| 2003/05/23 | 8 | 60 | CSO | S16W73 |
| B |
|---|
| 2 |
The top 2 solar flares from sunspot region 10357
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B7.59 | 2003/05/18 | 17:11 | 17:16 | 17:24 | |
| 2 | B4.66 | 2003/05/17 | 18:28 | 18:35 | 18:56 |
Latest news
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/18 | M2.7 |
| Last geomagnetic storm | 2026/03/23 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 77.7 -0.5 |
| Last 30 days | 74.2 -10.5 |