Daily Sunspot Evaluation
Observation Details Tuesday, 13 December 2011
- No
- 16390
- Date
- 2011 / 12 / 13,323
- Time
- 07:45 UT
- Seeing
- 4 / 5
- Number of groups (g)
- 9
- Number of spots (f)
- 32
- Relative number (R)
- 122
- Lf
- 2
- P0
- 11.13°
- B0
- -0.63°
- L0
- 3.77°
- Observer
- Hikmet ÇAKMAK
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | HA_ – 1 | 18 | 57W | 61 | 59W | 1.6 | |
| 2 | AX_ – 1 | 13 | 56W | 60 | 58W | - | |
| 3 | BXO – 3 | 8 | 40W | 44 | 42W | 4.4 | |
| 4 | HA_ – 5 | 9 | 08E | 356 | 06E | 3.3 | |
| 5 | BXI – 7 | 20 | 63E | 301 | 61E | 5.9 | |
| 6 | AX_ – 1 | 12 | 68E | 296 | 66E | - | |
| 7 | AX_ – 1 | 23 | 70E | 295 | 68E | - | |
| 8 | AX_ – 2 | -19 | 75W | 79 | 77W | 3.2 | |
| 9 | HK_ – 11 | -17 | 13E | 352 | 11E | 5.0 |
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