Daily Sunspot Evaluation
Observation Details Friday, 4 July 2025
- No
- 20290
- Date
- 2025 / 07 / 04,330
- Time
- 07:55 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 6
- Number of spots (f)
- 34
- Relative number (R)
- 94
- Lf
- 2
- P0
- -1.09°
- B0
- 3.23°
- L0
- 163.87°
- Observer
- Korhan YELKENCİ
Remarks: Kenar Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | HS_ – 2 | 11 | 56.7W | 220 | 58.7W | 2.2 | |
| 2 | HS_ – 1 | 21 | 08.9W | 173 | 10.9W | 1.5 | |
| 3 | CAI – 15 | 3 | 05.9W | 170 | 07.9W | 6.1 | |
| 4 | DAI – 10 | -19 | 23.7W | 188 | 25.7W | 7.8 | |
| 5 | AX_ – 2 | -5 | 13.9W | 177 | 15.9W | 0.6 | |
| 6 | BXI – 4 | -10 | 26.2E | 138 | 24.2E | 3.2 |