Daily Sunspot Evaluation
Observation Details Saturday, 15 July 2017
- No
- 18107
- Date
- 2017 / 07 / 15,208
- Time
- 05:00 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 2
- Number of spots (f)
- 22
- Relative number (R)
- 42
- Lf
- 4
- P0
- 3.77°
- B0
- 4.35°
- L0
- 66.75°
- Observer
- Korhan YELKENCİ
Remarks: Bulutlar Arasında, Kenar Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | BXI – 5 | 12 | 37W | 103 | 41W | 3.5 | |
| 2 | CSI – 17 | -6 | 46W | 113 | 50W | 11.0 |