Daily Sunspot Evaluation
Observation Details Friday, 18 September 2015
- No
- 17554
- Date
- 2015 / 09 / 18,292
- Time
- 07:00 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 3
- Number of spots (f)
- 51
- Relative number (R)
- 81
- Lf
- 3
- P0
- 24.51°
- B0
- 7.16°
- L0
- 214.84°
- Observer
- Hikmet ÇAKMAK
Remarks: Görüntü Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | CAI – 11 | 14 | 19E | 196 | 16E | 6.2 | |
| 2 | CAI – 30 | -19 | 17W | 232 | 20W | 11.5 | |
| 3 | CSI – 10 | -13 | 16E | 199 | 13E | 5.8 |
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