Daily Sunspot Evaluation
Observation Details Wednesday, 20 March 2013
- No
- 16771
- Date
- 2013 / 03 / 20,493
- Time
- 11:50 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 3
- Number of spots (f)
- 18
- Relative number (R)
- 48
- Lf
- 0
- P0
- -25.21°
- B0
- -7.03°
- L0
- 13.20°
- Observer
- Hikmet ÇAKMAK
Remarks: Bulutlar Arasında, Görüntü Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | HK_ – 12 | 9 | 62W | 75 | 62W | 5.3 | |
| 2 | HA_ – 4 | 13 | 52W | 65 | 52W | 4.3 | |
| 3 | CSO – 2 | 9 | 42W | 55 | 42W | 6.7 |