Daily Sunspot Evaluation
Observation Details Tuesday, 21 April 2026
- No
- 20452
- Date
- 2026 / 04 / 21,375
- Time
- 09:00 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 3
- Number of spots (f)
- 18
- Relative number (R)
- 48
- Lf
- 2
- P0
- -25.48°
- B0
- -5.11°
- L0
- 284.64°
- Observer
- Y.ALTIKULAÇ+O.P.
Remarks: Kenar Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | EHI – 12 | 13 | 27.7W | 312 | 29.7W | 12.5 | |
| 2 | BXI – 5 | 15 | 58.9E | 226 | 56.9E | 7.0 | |
| 3 | HS_ – 1 | -10 | 73.2E | 212 | 71.2E | 2.6 |