Daily Sunspot Evaluation
Observation Details Wednesday, 21 June 2017
- No
- 18083
- Date
- 2017 / 06 / 21,385
- Time
- 09:15 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 3
- Number of spots (f)
- 11
- Relative number (R)
- 41
- Lf
- 2
- P0
- -6.95°
- B0
- 1.77°
- L0
- 22.06°
- Observer
- Özgecan ÖNALTAŞ
Remarks: Görüntü Titremesi, Bulutlar Arasında
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | AX_ – 2 | 14 | 77W | 99 | 79W | 1.7 | |
| 2 | CSO – 4 | 12 | 29W | 51 | 31W | 2.2 | |
| 3 | CSO – 5 | 17 | 68E | 314 | 66E | 2.8 |