Daily Sunspot Evaluation
Observation Details Saturday, 21 July 2018
- No
- 18421
- Date
- 2018 / 07 / 21,389
- Time
- 09:20 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 1
- Number of spots (f)
- 2
- Relative number (R)
- 12
- Lf
- 1
- P0
- 6.36°
- B0
- 4.90°
- L0
- 207.43°
- Observer
- Hikmet ÇAKMAK
Remarks: Görüntü Titremesi, Bulutlar Arasında, Hafif Sis
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | AX_ – 2 | 15 | 08.4E | 199 | 07.4E | 0.6 |