Daily Sunspot Evaluation
Observation Details Tuesday, 21 July 2026
- No
- 20518
- Date
- 2026 / 07 / 21,396
- Time
- 09:30 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 4
- Number of spots (f)
- 30
- Relative number (R)
- 70
- Lf
- 1
- P0
- 6.39°
- B0
- 4.89°
- L0
- 160.48°
- Observer
- Melike ERYILMAZ
Remarks: Görüntü Titremesi, Kenar Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | DHC – 23 | 5 | 04.9E | 156 | 03.9E | 11.0 | |
| 2 | DKO – 4 | 14 | 54.9E | 106 | 53.9E | 5.9 | |
| 3 | HA_ – 2 | -6 | 31.3W | 192 | 32.3W | 1.8 | |
| 4 | HH_ – 1 | -6 | 73.6E | 87 | 72.6E | 4.6 |