Daily Sunspot Evaluation
Observation Details Thursday, 18 April 2013
- No
- 16790
- Date
- 2013 / 04 / 18,399
- Time
- 09:35 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 6
- Number of spots (f)
- 51
- Relative number (R)
- 111
- Lf
- 1
- P0
- -25.77°
- B0
- -5.33°
- L0
- 351.79°
- Observer
- H.ÇAKMAK=O.G.
Remarks: Görüntü Titremesi, Bulutlar Arasında
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | ?__ – 3 | 10 | 81W | 73 | 82W | 2.5 | |
| 2 | HS_ – 1 | -19 | 67W | 59 | 68W | 2.1 | |
| 3 | CAI – 12 | -21 | 52W | 44 | 53W | 7.4 | |
| 4 | CAI – 29 | -18 | 09W | 1 | 10W | 8.3 | |
| 5 | AX_ – 3 | -25 | 05W | 357 | 06W | 2.2 | |
| 6 | AX_ – 3 | -26 | 16E | 336 | 15E | 0.8 |