Daily Sunspot Evaluation
Observation Details Friday, 18 April 2025
- No
- 20227
- Date
- 2025 / 04 / 18,424
- Time
- 10:10 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 6
- Number of spots (f)
- 34
- Relative number (R)
- 94
- Lf
- 1
- P0
- -25.75°
- B0
- -5.34°
- L0
- 101.17°
- Observer
- Ergün EGE
Remarks: Görüntü Titremesi, Hafif Sis
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | HH_ – 4 | 8 | 30.6W | 132 | 31.6W | 3.1 | |
| 2 | DAI – 7 | 9 | 55.7E | 46 | 54.7E | 9.8 | |
| 3 | AX_ – 1 | -7 | 75.5W | 176 | 76.5W | 1.5 | |
| 4 | FKC – 17 | -4 | 38.4E | 63 | 37.4E | 16.2 | |
| 5 | HS_ – 1 | -30 | 56.6E | 45 | 55.6E | 2.5 | |
| 6 | DSO – 4 | -4 | 63.5E | 38 | 62.5E | 7.6 |