Sunspot region AR8442
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/01/18 | 8 | 30 | DSO | N24W16 | |
| 1999/01/19 | 15 | 80 | DAO | N25W29 | |
| 1999/01/20 | 11 | 70 | DAO | N24W41 | |
| 1999/01/21 | 7 | 100 | CAO | N24W55 | |
| 1999/01/22 | 4 | 40 | CSO | N24W69 | |
| 1999/01/23 | 3 | 40 | CRO | N25W80 |
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 8442
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.64 | 1999/01/18 | 18:36 | 18:39 | 18:43 |
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| Last X-flare | 2024/03/28 | X1.1 |
| Last M-flare | 2024/04/29 | M3.6 |
| Last geomagnetic storm | 2024/04/26 | Kp5+ (G1) |
| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
| March 2024 | 104.9 -19.8 |
| Last 30 days | 139 +32.6 |