Daily Sunspot Evaluation
Observation Details Saturday, 18 February 2017
- No
- 17977
- Date
- 2017 / 02 / 18,389
- Time
- 09:20 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 1
- Number of spots (f)
- 2
- Relative number (R)
- 12
- Lf
- 1
- P0
- -18.54°
- B0
- -6.96°
- L0
- 206.40°
- Observer
- Özgecan ÖNALTAŞ
Remarks: Hafif Sis, Kenar Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | AX_ – 2 | 10 | 25E | 181 | 24E | - |
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