Daily Sunspot Evaluation
Observation Details Saturday, 18 April 2026
- No
- 20450
- Date
- 2026 / 04 / 18,490
- Time
- 11:45 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 2
- Number of spots (f)
- 14
- Relative number (R)
- 34
- Lf
- 0
- P0
- -25.76°
- B0
- -5.35°
- L0
- 322.75°
- Observer
- Burçin TANIK
Remarks: Görüntü Titremesi, Hafif Sis
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | EHC – 13 | 14 | 08.7E | 315 | 08.7E | 11.7 | |
| 2 | HS_ – 1 | -18 | 52.3W | 16 | 52.3W | 1.2 |