Daily Sunspot Evaluation
Observation Details Saturday, 20 May 2017
- No
- 18054
- Date
- 2017 / 05 / 20,406
- Time
- 09:45 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 2
- Number of spots (f)
- 2
- Relative number (R)
- 22
- Lf
- 1
- P0
- -19.34°
- B0
- -2.05°
- L0
- 85.27°
- Observer
- Başar COŞKUNOĞLU
Remarks: Görüntü Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | HA_ – 1 | 11 | 20E | 65 | 19E | 0.8 | |
| 2 | HA_ – 1 | -7 | 17E | 69 | 16E | 0.6 |