Daily Sunspot Evaluation
Observation Details Wednesday, 16 February 2011
- No
- 16145
- Date
- 2011 / 02 / 16,507
- Time
- 12:10 UT
- Seeing
- 2 / 5
- Number of groups (g)
- 3
- Number of spots (f)
- 39
- Relative number (R)
- 69
- Lf
- 0
- P0
- -17.77°
- B0
- -6.88°
- L0
- 2.92°
- Observer
- Hikmet ÇAKMAK
Remarks: Görüntü Titremesi, Hafif Sis
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | BXO – 2 | 19 | 62W | 65 | 62W | 7.3 | |
| 2 | DAI – 11 | 12 | 33E | 330 | 33E | 9.6 | |
| 3 | EAC – 26 | -21 | 31W | 34 | 31W | 12.8 |
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