Daily Sunspot Evaluation
Observation Details Sunday, 13 February 2011
- No
- 16146
- Date
- 2011 / 02 / 13,396
- Time
- 09:30 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 4
- Number of spots (f)
- 48
- Relative number (R)
- 88
- Lf
- 1
- P0
- -16.72°
- B0
- -6.74°
- L0
- 43.89°
- Observer
- Sinan ALİŞ
Remarks: Kenar Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | DAI – 8 | 19 | 20W | 64 | 21W | 5.7 | |
| 2 | CAI – 5 | 20 | 12E | 32 | 11E | 5.6 | |
| 3 | CSI – 4 | -21 | 27W | 71 | 28W | 1.6 | |
| 4 | EAC – 31 | -20 | 10E | 34 | 09E | 10.5 |
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