Daily Sunspot Evaluation
Observation Details Saturday, 20 April 2013
- No
- 16792
- Date
- 2013 / 04 / 20,513
- Time
- 12:18 UT
- Seeing
- 4 / 5
- Number of groups (g)
- 7
- Number of spots (f)
- 60
- Relative number (R)
- 130
- Lf
- 0
- P0
- -25.57°
- B0
- -5.15°
- L0
- 323.88°
- Observer
- Hikmet ÇAKMAK
Remarks: Görüntü Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | BXO – 3 | 9 | 63W | 27 | 63W | 03.8 | |
| 2 | CAI – 41 | 13 | 01W | 325 | 01W | 10.8 | |
| 3 | DAO – 8 | 25 | 51E | 273 | 51E | 06.9 | |
| 4 | AX_ – 1 | -22 | 77W | 41 | 77W | - | |
| 5 | CAI – 5 | -18 | 38W | 2 | 38W | 03.8 | |
| 6 | AX_ – 1 | -23 | 35W | 359 | 35W | - | |
| 7 | ?__ – 1 | -16 | 79E | 245 | 79E | - |