Sunspot region AR11870
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/10/15 | 3 | 30 | CRO | S13W06 | |
| 2013/10/16 | 8 | 20 | CRO | S14W21 | |
| 2013/10/17 | 2 | 10 | BXO | S13W35 | |
| 2013/10/18 | 1 | 10 | AXX | S13W49 | |
| 2013/10/19 | 3 | 30 | CAO | S15W58 | |
| 2013/10/20 | 3 | 10 | BXO | S15W72 |
2013/10/15
2013/10/16
2013/10/17
2013/10/18
2013/10/19
2013/10/20
|
2013/10/15
2013/10/16
2013/10/17
2013/10/18
2013/10/19
2013/10/20
|
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 11870
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.62 | 2013/10/16 | 15:03 | 15:20 | 15:34 |
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/01 | M2.4 |
| Last geomagnetic storm | 2025/03/27 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| April 2025 | 147 -7.6 |
| Last 30 days | 128.8 -21.8 |