Sunspot region AR11722
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/04/10 | 3 | 20 | CSO | S20E44 | |
| 2013/04/11 | 4 | 80 | DAO | S21E30 | |
| 2013/04/12 | 4 | 30 | DRO | S21E17 | |
| 2013/04/13 | 4 | 20 | CRO | S21E03 | |
| 2013/04/14 | 4 | 20 | CRO | S22W11 | |
| 2013/04/15 | 5 | 30 | CAO | S21W24 | |
| 2013/04/16 | 8 | 40 | CAO | S20W36 | |
| 2013/04/17 | 6 | 90 | DAO | S19W48 | |
| 2013/04/18 | 10 | 90 | DAO | S20W62 | |
| 2013/04/19 | 6 | 40 | CAO | S21W73 | |
| 2013/04/20 | 4 | 30 | CRO | S20W86 | |
| 2013/04/21 | 4 | 30 | CRO | S20W0* |
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
2013/04/21
|
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
2013/04/21
|
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
Filaments and prominences 486Do the high-resolution sunspot counts point to more complex sunspots? 61AR4366 1020Yes, we really went to the moon before. 1Unexplained proton activity 111
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/11 | M1.3 |
| 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 | 129.4 +16.8 |
| Last 30 days | 129.3 +29.3 |