Daily Sunspot Evaluation
Observation Details Saturday, 18 February 2012
- No
- 16430
- Date
- 2012 / 02 / 18,382
- Time
- 09:10 UT
- Seeing
- 4 / 5
- Number of groups (g)
- 6
- Number of spots (f)
- 26
- Relative number (R)
- 86
- Lf
- 2
- P0
- -18.30°
- B0
- -6.94°
- L0
- 200.66°
- Observer
- Hikmet ÇAKMAK
Remarks: Görüntü Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | CAI – 9 | 28 | 03E | 198 | 01E | 6.8 | |
| 2 | HA_ – 3 | 10 | 07E | 195 | 05E | 3.6 | |
| 3 | AX_ – 1 | 15 | 24E | 177 | 22E | - | |
| 4 | AX_ – 2 | 17 | 69E | 133 | 67E | 1.1 | |
| 5 | AX_ – 1 | 13 | 72E | 129 | 70E | - | |
| 6 | BXI – 10 | -23 | 61W | 262 | 63W | 4.6 |
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