Daily Sunspot Evaluation
Observation Details Saturday, 17 December 2011
- No
- 16393
- Date
- 2011 / 12 / 17,392
- Time
- 09:25 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 10
- Number of spots (f)
- 37
- Relative number (R)
- 137
- Lf
- 1
- P0
- 9.29°
- B0
- -1.15°
- L0
- 310.15°
- Observer
- Hikmet ÇAKMAK
Remarks: Görüntü Titremesi, Bulutlar Arasında
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | HA_ – 2 | 8 | 47W | 357 | 48W | 1.5 | |
| 2 | AX_ – 3 | 19 | 04E | 306 | 03E | 0.8 | |
| 3 | CAI – 10 | 12 | 12E | 298 | 11E | 8.8 | |
| 4 | AX_ – 4 | 22 | 16E | 294 | 15E | 1.5 | |
| 5 | HA_ – 6 | -19 | 42W | 352 | 43W | 4.5 | |
| 6 | BXO – 7 | -29 | 13W | 323 | 14W | 3.8 | |
| 7 | AX_ – 1 | -15 | 13W | 323 | 14W | - | |
| 8 | BXO – 2 | -17 | 13W | 323 | 14W | 3.9 | |
| 9 | AX_ – 1 | -18 | 52E | 259 | 51E | - | |
| 10 | ?__ – 1 | -21 | 79E | 231 | 78E | 3.9 |
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