Daily Sunspot Evaluation
Observation Details Wednesday, 17 April 2013
- No
- 16789
- Date
- 2013 / 04 / 17,368
- Time
- 08:50 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 6
- Number of spots (f)
- 72
- Relative number (R)
- 132
- Lf
- 2
- P0
- -25.85°
- B0
- -5.42°
- L0
- 5.41°
- Observer
- Hikmet ÇAKMAK
Remarks: Görüntü Titremesi, Bulutlar Arasında
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | ?__ – 7 | 9 | 68W | 73 | 70W | 6.4 | |
| 2 | CSO – 8 | -19 | 49W | 54 | 51W | 9.9 | |
| 3 | CAI – 15 | -20 | 38W | 43 | 40W | 6.0 | |
| 4 | DAO – 31 | -19 | 05E | 1 | 03E | 8.0 | |
| 5 | AX_ – 1 | -26 | 10E | 355 | 08E | - | |
| 6 | BXI – 10 | -26 | 28E | 337 | 26E | 3.6 |