Daily Sunspot Evaluation
Observation Details Wednesday, 28 July 2021
- No
- 19229
- Date
- 2021 / 07 / 28,347
- Time
- 08:20 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 1
- Number of spots (f)
- 2
- Relative number (R)
- 12
- Lf
- 2
- P0
- 9.40°
- B0
- 5.50°
- L0
- 49.49°
- Observer
- Burçin TANIK
Remarks: Görüntü Titremesi, Kenar Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | AX_ – 2 | -28 | 01.1W | 51 | 03.1W | 2.0 |