Sunspot region AR8446
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/01/22 | 3 | 10 | BXO | N14E60 | |
| 1999/01/23 | 2 | 0 | BXO | N15E46 | |
| 1999/01/24 | 2 | 10 | AXX | N14E33 | |
| 1999/01/25 | 1 | 0 | AXX | N15E19 | |
| 1999/01/29 | 5 | 20 | BXO | N17W31 | |
| 1999/01/30 | 11 | 20 | DRO | N17W43 | |
| 1999/01/31 | 6 | 160 | DSO | N17W59 | |
| 1999/02/01 | 8 | 170 | DSO | N17W72 | |
| 1999/02/02 | 2 | 60 | CSO | N18W82 |
| C |
|---|
| 2 |
The top 2 solar flares from sunspot region 8446
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C5.5 | 1999/02/01 | 08:32 | 08:39 | 08:44 | |
| 2 | C1 | 1999/01/31 | 19:38 | 19:42 | 19:45 |
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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 |