Daily Sunspot Evaluation
Observation Details Tuesday, 17 June 2025
- No
- 20273
- Date
- 2025 / 06 / 17,438
- Time
- 10:30 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 5
- Number of spots (f)
- 49
- Relative number (R)
- 99
- Lf
- 1
- P0
- -8.65°
- B0
- 1.30°
- L0
- 27.46°
- Observer
- Olcay PLEVNE
Remarks: Kenar Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | HS_ – 5 | 15 | 29.5W | 57 | 30.5W | 5.5 | |
| 2 | AX_ – 3 | 10 | 12.9W | 40 | 13.9W | 1.9 | |
| 3 | FKC – 35 | 19 | 01.8W | 29 | 02.8W | 17.8 | |
| 4 | BXI – 2 | 22 | 14.8E | 13 | 13.8E | 2.2 | |
| 5 | CAO – 4 | -11 | 05.1W | 33 | 06.1W | 9.0 |