Daily Sunspot Evaluation
Observation Details Tuesday, 28 July 2015
- No
- 17504
- Date
- 2015 / 07 / 28,361
- Time
- 08:40 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 3
- Number of spots (f)
- 44
- Relative number (R)
- 74
- Lf
- 2
- P0
- 9.18°
- B0
- 5.47°
- L0
- 181.07°
- Observer
- Başar COŞKUNOĞLU
Remarks: Görüntü Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | HS_ – 1 | 7 | 67E | 115 | 65E | 01.9 | |
| 2 | CSI – 31 | -15 | 17W | 198 | 19W | 07.3 | |
| 3 | BXI – 12 | -11 | 18E | 163 | 16E | 06.8 |