Daily Sunspot Evaluation
Observation Details Tuesday, 21 July 2020
- No
- 18972
- Date
- 2020 / 07 / 21,396
- Time
- 09:30 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 1
- Number of spots (f)
- 1
- Relative number (R)
- 11
- Lf
- 1
- P0
- 6.58°
- B0
- 4.94°
- L0
- 279.00°
- Observer
- Burçin TANIK
Remarks: Bulutlar Arasında, Kenar Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | AX_ – 1 | -21 | 79.6E | 199 | 78.6E | 3.2 |