Daily Sunspot Evaluation
Observation Details Friday, 20 May 2011
- No
- 16208
- Date
- 2011 / 05 / 20,351
- Time
- 08:25 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 3
- Number of spots (f)
- 3
- Relative number (R)
- 33
- Lf
- 2
- P0
- -19.53°
- B0
- -2.10°
- L0
- 217.78°
- Observer
- Başar COŞKUNOĞLU
Remarks: Kenar Titremesi, Bulutlar Arasında
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | HA_ – 1 | -21 | 59W | 277 | 61W | 2.4 | |
| 2 | HS_ – 1 | -17 | 24E | 194 | 22E | 1.9 | |
| 3 | AX_ – 1 | -18 | 51E | 167 | 49E | - |