Sunspot region AR8548
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/05/18 | 1 | 10 | AXX | S21E48 | |
| 1999/05/19 | 10 | 20 | BXO | S21E35 | |
| 1999/05/20 | 8 | 20 | CRO | S19E23 | |
| 1999/05/21 | 16 | 50 | CSO | S20E08 | |
| 1999/05/22 | 14 | 100 | DAO | S20W06 | |
| 1999/05/23 | 16 | 110 | DAO | S19W19 | |
| 1999/05/24 | 11 | 70 | CAO | S20W30 | |
| 1999/05/25 | 6 | 70 | CSO | S20W47 | |
| 1999/05/26 | 3 | 50 | CSO | S20W61 | |
| 1999/05/27 | 7 | 80 | DSO | S21W71 | |
| 1999/05/28 | 7 | 60 | ESO | S21W83 |
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 8548
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.94 | 1999/05/27 | 14:23 | 14:40 | 15:05 |
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| Last M-flare | 2024/12/24 | M1.0 |
| Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
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| Last 30 days | 120.1 -38.2 |