Daily Sunspot Evaluation
Observation Details Thursday, 19 August 2021
- No
- 19251
- Date
- 2021 / 08 / 19,394
- Time
- 09:28 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 3
- Number of spots (f)
- 9
- Relative number (R)
- 39
- Lf
- 1
- P0
- 17.48°
- B0
- 6.83°
- L0
- 117.99°
- Observer
- Talar YONTAN
Remarks: Görüntü Titremesi, Bulutlar Arasında, Kenar Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | AX_ – 1 | 17 | 69.5W | 187 | 70.5W | - | |
| 2 | AX_ – 2 | 16 | 61.1W | 179 | 62.1W | 2.7 | |
| 3 | DRO – 6 | 13 | 04.3W | 122 | 05.3W | 4.4 |