Sunspot region AR9431
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/04/18 | 2 | 10 | AXX | S10E49 | |
| 2001/04/19 | 1 | 0 | AXX | S11E36 | |
| 2001/04/21 | 4 | 30 | CSO | S12E15 | |
| 2001/04/22 | 8 | 130 | DAO | S11E00 | |
| 2001/04/23 | 7 | 60 | DAO | S11W15 | |
| 2001/04/24 | 2 | 20 | HAX | S11W29 | |
| 2001/04/25 | 2 | 20 | HSX | S10W44 | |
| 2001/04/26 | 2 | 20 | HSX | S12W57 | |
| 2001/04/27 | 1 | 10 | AXX | S11W71 | |
| 2001/04/28 | 1 | 0 | AXX | S10W85 |
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 9431
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C4.11 | 2001/04/23 | 12:06 | 12:23 | 12:36 |
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| Last X-flare | 2024/06/01 | X1.0 |
| Last M-flare | 2024/06/01 | M7.3 |
| Last geomagnetic storm | 2024/05/17 | Kp6 (G2) |
| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
| April 2024 | 136.5 +31.6 |
| Last 30 days | 148.4 +2.5 |