Daily Sunspot Evaluation
Observation Details Tuesday, 16 December 2025
- No
- 20405
- Date
- 2025 / 12 / 16,444
- Time
- 10:40 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 5
- Number of spots (f)
- 17
- Relative number (R)
- 67
- Lf
- 1
- P0
- 9.45°
- B0
- -1.08°
- L0
- 144.04°
- Observer
- Olcay PLEVNE
Remarks: Kenar Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | BXI – 3 | 1 | 31.5W | 176 | 32.5W | 3.3 | |
| 2 | BXI – 6 | 8 | 11.3E | 133 | 10.3E | 5.6 | |
| 3 | AX_ – 3 | 3 | 23.5E | 121 | 22.5E | 2.2 | |
| 4 | HS_ – 1 | -25 | 54.2W | 198 | 55.2W | 3.6 | |
| 5 | DSI – 4 | -15 | 52.7W | 197 | 53.7W | 11.6 |
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