Sunspot region AR11717
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/04/05 | 3 | 10 | AXX | S10E66 | |
| 2013/04/06 | 2 | 10 | BXO | S12E51 | |
| 2013/04/07 | 1 | 10 | AXX | S13E37 | |
| 2013/04/08 | 2 | 10 | BXO | S12E22 | |
| 2013/04/09 | 3 | 20 | CSO | S11E11 | |
| 2013/04/10 | 3 | 10 | BXO | S10W01 |
2013/04/06
2013/04/07
2013/04/08
2013/04/09
2013/04/10
|
2013/04/06
2013/04/07
2013/04/08
2013/04/09
2013/04/10
|
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 11717
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.75 | 2013/04/06 | 05:55 | 06:00 | 06:04 |
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
Latest forum messages
Filament CME from march 22nd 1AR4401 12Photographing auroras 229Filaments and prominences 533CMes from ar 4392 (19-21st of march) 259
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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 | 2026/03/22 | Kp7- (G3) |
| 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 -1.2 |
| Last 30 days | 68.9 -24 |