Daily Sunspot Evaluation
Observation Details Wednesday, 17 September 2025
- No
- 20348
- Date
- 2025 / 09 / 17,344
- Time
- 08:15 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 8
- Number of spots (f)
- 47
- Relative number (R)
- 127
- Lf
- 2
- P0
- 24.44°
- B0
- 7.17°
- L0
- 252.19°
- Observer
- Süleyman FİŞEK
Remarks: Görüntü Titremesi, Kenar Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | AX_ – 1 | 26 | 35.0W | 287 | 37.0W | - | |
| 2 | DSC – 13 | 10 | 06.4E | 246 | 04.4E | 8.5 | |
| 3 | AX_ – 1 | 14 | 17.2E | 235 | 15.2E | - | |
| 4 | DHI – 5 | 5 | 39.1E | 214 | 37.1E | 7.1 | |
| 5 | HH_ – 1 | 11 | 77.5E | 175 | 75.5E | 4.4 | |
| 6 | DSC – 16 | -17 | 09.1E | 244 | 07.1E | 6.8 | |
| 7 | EHO – 5 | -15 | 43.3E | 209 | 41.3E | 12.4 | |
| 8 | CRI – 5 | -15 | 59.7E | 192 | 57.7E | 2.0 |
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