Daily Sunspot Evaluation
Observation Details Wednesday, 17 December 2025
- No
- 20406
- Date
- 2025 / 12 / 17,278
- Time
- 06:40 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 5
- Number of spots (f)
- 19
- Relative number (R)
- 69
- Lf
- 3
- P0
- 9.07°
- B0
- -1.19°
- L0
- 133.06°
- Observer
- K.YELKENCİ+E.Y.
Remarks: Görüntü Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | CAI – 4 | 2 | 38.4W | 171 | 41.4W | 6.4 | |
| 2 | BXO – 3 | 6 | 02.2E | 131 | 00.8W | 5.8 | |
| 3 | BXO – 6 | 3 | 13.5E | 120 | 10.5E | 3.3 | |
| 4 | DAI – 5 | -15 | 62.1W | 195 | 65.1W | 10.2 | |
| 5 | HS_ – 1 | -26 | 61.8W | 195 | 64.8W | 2.0 |
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