Sunspot region AR11721
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/04/10 | 4 | 10 | BXO | S18E35 | |
| 2013/04/11 | 10 | 80 | DAO | S19E20 | |
| 2013/04/12 | 17 | 220 | DAI | S18E06 | |
| 2013/04/13 | 18 | 190 | DSI | S18W07 | |
| 2013/04/14 | 13 | 180 | DSO | S19W21 | |
| 2013/04/15 | 12 | 140 | ESI | S18W33 | |
| 2013/04/16 | 6 | 110 | DAO | S18W47 | |
| 2013/04/17 | 5 | 120 | CSO | S17W61 | |
| 2013/04/18 | 2 | 100 | CSO | S17W75 | |
| 2013/04/19 | 1 | 60 | HSX | S18W86 | |
| 2013/04/20 | 1 | 60 | HSX | S18W0* |
2013/04/11
2013/04/12
2013/04/13
2013/04/14
2013/04/15
2013/04/16
2013/04/17
2013/04/18
2013/04/19
2013/04/20
|
2013/04/11
2013/04/12
2013/04/13
2013/04/14
2013/04/15
2013/04/16
2013/04/17
2013/04/18
2013/04/19
2013/04/20
|
| C |
|---|
| 2 |
The top 2 solar flares from sunspot region 11721
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C5.97 | 2013/04/11 | 10:09 | 10:13 | 10:15 | |
| 2 | C1.75 | 2013/04/10 | 12:54 | 12:58 | 13:04 |
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Space weather facts
| Last X-flare | 2024/03/28 | X1.1 |
| Last M-flare | 2024/04/30 | M9.4 |
| Last geomagnetic storm | 2024/04/26 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2024 | 104.9 -19.8 |
| Last 30 days | 146.4 +45.6 |