Daily Sunspot Evaluation
Observation Details Sunday, 19 July 2015
- No
- 17495
- Date
- 2015 / 07 / 19,340
- Time
- 08:10 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 3
- Number of spots (f)
- 21
- Relative number (R)
- 51
- Lf
- 2
- P0
- 5.36°
- B0
- 4.69°
- L0
- 300.41°
- Observer
- Başar COŞKUNOĞLU
Remarks: Görüntü Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | HS_ – 5 | 11 | 11W | 311 | 13W | 2.1 | |
| 2 | DSI – 14 | 18 | 29E | 272 | 27E | 10.4 | |
| 3 | HS_ – 2 | -18 | 72W | 12 | 74W | 2.5 |