Daily Sunspot Evaluation
Observation Details Friday, 17 February 2017
- No
- 17976
- Date
- 2017 / 02 / 17,309
- Time
- 07:25 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 1
- Number of spots (f)
- 2
- Relative number (R)
- 12
- Lf
- 3
- P0
- -18.19°
- B0
- -6.92°
- L0
- 220.62°
- Observer
- Korhan YELKENCİ
Remarks: Görüntü Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | AX_ – 2 | 11 | 38E | 183 | 35E | 1.0 |
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