Daily Sunspot Evaluation
Observation Details Thursday, 18 February 2016
- No
- 17675
- Date
- 2016 / 02 / 18,431
- Time
- 10:20 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 3
- Number of spots (f)
- 5
- Relative number (R)
- 35
- Lf
- 1
- P0
- -18.31°
- B0
- -6.94°
- L0
- 356.59°
- Observer
- Başar COŞKUNOĞLU
Remarks: Bulutlar Arasında, Hafif Sis
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | AX_ – 3 | 8 | 21W | 17 | 22W | 2.1 | |
| 2 | AX_ – 1 | 4 | 05W | 2 | 06W | - | |
| 3 | HA_ – 1 | 4 | 31E | 325 | 30E | 1.5 |
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