Daily Sunspot Evaluation
Observation Details Monday, 20 April 2026
- No
- 20451
- Date
- 2026 / 04 / 20,403
- Time
- 09:40 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 2
- Number of spots (f)
- 16
- Relative number (R)
- 36
- Lf
- 1
- P0
- -25.58°
- B0
- -5.19°
- L0
- 297.31°
- Observer
- İrem ÖZDEMİR
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | EHI – 15 | 14 | 14.7W | 312 | 15.7W | 13.4 | |
| 2 | AR_ – 1 | -19 | 73.3W | 10 | 74.3W | 1.8 |