Daily Sunspot Evaluation
Observation Details Thursday, 13 August 2015
- No
- 17520
- Date
- 2015 / 08 / 13,410
- Time
- 09:50 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 3
- Number of spots (f)
- 21
- Relative number (R)
- 51
- Lf
- 1
- P0
- 15.31°
- B0
- 6.53°
- L0
- 328.85°
- Observer
- Sinan ALİŞ
Remarks: Kenar Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | DSC – 6 | 19 | 16E | 313 | 15E | 5.3 | |
| 2 | FSC – 13 | -18 | 73W | 42 | 74W | 19.3 | |
| 3 | CSO – 2 | -3 | 15W | 344 | 16W | 1.6 |