Daily Sunspot Evaluation
Observation Details Friday, 18 February 2011
- No
- 16149
- Date
- 2011 / 02 / 18,344
- Time
- 08:15 UT
- Seeing
- 4 / 5
- Number of groups (g)
- 6
- Number of spots (f)
- 80
- Relative number (R)
- 140
- Lf
- 2
- P0
- -18.37°
- B0
- -6.95°
- L0
- 338.73°
- Observer
- S.ALİŞ+H.Ç.
Remarks: Görüntü Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | AX_ – 2 | 7 | 45W | 24 | 47W | 0.9 | |
| 2 | AX_ – 3 | 16 | 10W | 349 | 12W | 1.3 | |
| 3 | AX_ – 1 | 21 | 09W | 348 | 11W | - | |
| 4 | CSI – 25 | 19 | 04E | 335 | 02E | 5.7 | |
| 5 | EAI – 29 | 12 | 09E | 330 | 07E | 11.3 | |
| 6 | EAC – 20 | -20 | 55W | 34 | 57W | 14.5 |
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