Daily Sunspot Evaluation
Observation Details Saturday, 21 October 2017
- No
- 18199
- Date
- 2017 / 10 / 21,410
- Time
- 09:50 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 1
- Number of spots (f)
- 2
- Relative number (R)
- 12
- Lf
- 1
- P0
- 25.79°
- B0
- 5.37°
- L0
- 209.55°
- Observer
- H.ÇAKMAK-Ö.Ö.
Remarks: Görüntü Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | ?__ – 2 | -9 | 80.5E | 129 | 79.5E | 2.8 |
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