Daily Sunspot Evaluation
Observation Details Saturday, 21 August 2021
- No
- 19253
- Date
- 2021 / 08 / 21,323
- Time
- 07:45 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 2
- Number of spots (f)
- 5
- Relative number (R)
- 25
- Lf
- 2
- P0
- 18.08°
- B0
- 6.91°
- L0
- 92.50°
- Observer
- Oğuzhan ÇAKIR
Remarks: Kenar Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | AX_ – 4 | 13 | 31.5W | 124 | 33.5W | 2.1 | |
| 2 | HK_ – 1 | 19 | 83.8E | 9 | 81.8E | 5.9 |