Daily Sunspot Evaluation
Observation Details Tuesday, 18 December 2012
- No
- 16708
- Date
- 2012 / 12 / 18,340
- Time
- 08:10 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 5
- Number of spots (f)
- 22
- Relative number (R)
- 72
- Lf
- 2
- P0
- 8.50°
- B0
- -1.36°
- L0
- 146.93°
- Observer
- Hikmet ÇAKMAK
Remarks: Bulutlar Arasında, Yoğun Bulutlu
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | ?__ – 2 | 19 | 77W | 224 | 79W | 5.6 | |
| 2 | AX_ – 1 | 22 | 72W | 219 | 74W | - | |
| 3 | ?__ – 1 | 9 | 87E | 60 | 85E | 5.9 | |
| 4 | EAO – 16 | -7 | 37E | 110 | 35E | 12.8 | |
| 5 | HA_ – 2 | -13 | 39E | 108 | 37E | 1.4 |
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