Daily Sunspot Evaluation
Observation Details Friday, 16 July 2021
- No
- 19217
- Date
- 2021 / 07 / 16,299
- Time
- 07:10 UT
- Seeing
- 4 / 5
- Number of groups (g)
- 3
- Number of spots (f)
- 8
- Relative number (R)
- 38
- Lf
- 3
- P0
- 4.26°
- B0
- 4.45°
- L0
- 208.90°
- Observer
- Burçin TANIK
Remarks: Görüntü Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | HS_ – 3 | 24 | 10.7E | 198 | 07.7E | 01.4 | |
| 2 | AX_ – 4 | -18 | 62W | 271 | 65W | 06.6 | |
| 3 | ?__ – 1 | -43 | 74.2E | 135 | 71.2E | 03.4 |