Daily Sunspot Evaluation
Observation Details Thursday, 13 July 2017
- No
- 18105
- Date
- 2017 / 07 / 13,267
- Time
- 06:25 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 2
- Number of spots (f)
- 44
- Relative number (R)
- 64
- Lf
- 3
- P0
- 2.91°
- B0
- 4.16°
- L0
- 92.44°
- Observer
- Korhan YELKENCİ
Remarks: Kenar Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | CAI – 12 | 13 | 07W | 99 | 10W | 6.5 | |
| 2 | EAC – 32 | -6 | 18W | 111 | 21W | 11.0 |