Daily Sunspot Evaluation
Observation Details Saturday, 20 July 2013
- No
- 16881
- Date
- 2013 / 07 / 20,260
- Time
- 06:15 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 4
- Number of spots (f)
- 32
- Relative number (R)
- 72
- Lf
- 3
- P0
- 5.97°
- B0
- 4.82°
- L0
- 203.34°
- Observer
- Korhan YELKENCİ
Remarks: Bulutlar Arasında
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | FAI – 28 | 21 | 11E | 192 | 08E | 15.7 | |
| 2 | AX_ – 2 | -19 | 16W | 219 | 19W | 00.6 | |
| 3 | AX_ – 1 | -12 | 25E | 178 | 22E | - | |
| 4 | HR_ – 1 | -10 | 48E | 155 | 45E | 01.2 |