Daily Sunspot Evaluation
Observation Details Sunday, 17 September 2017
- No
- 18168
- Date
- 2017 / 09 / 17,417
- Time
- 10:00 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 1
- Number of spots (f)
- 5
- Relative number (R)
- 15
- Lf
- 1
- P0
- 24.45°
- B0
- 7.17°
- L0
- 298.07°
- Observer
- Başar COŞKUNOĞLU
Remarks: Görüntü Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | HS_ – 5 | 9 | 17.2W | 315 | 18.2W | 2.4 |
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