Daily Sunspot Evaluation
Observation Details Thursday, 21 July 2016
- No
- 17815
- Date
- 2016 / 07 / 21,316
- Time
- 07:35 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 3
- Number of spots (f)
- 29
- Relative number (R)
- 59
- Lf
- 2
- P0
- 6.54°
- B0
- 4.94°
- L0
- 123.49°
- Observer
- Özgecan ÖNALTAŞ
Remarks: Görüntü Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | HS_ – 6 | 3 | 51W | 174 | 53W | 04.1 | |
| 2 | DKC – 20 | 4 | 42W | 165 | 44W | 10.0 | |
| 3 | AX_ – 3 | 17 | 04W | 128 | 06W | 02.1 |