Daily Sunspot Evaluation
Observation Details Wednesday, 18 December 2013
- No
- 17017
- Date
- 2013 / 12 / 18,368
- Time
- 08:50 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 11
- Number of spots (f)
- 72
- Relative number (R)
- 182
- Lf
- 2
- P0
- 8.60°
- B0
- -1.33°
- L0
- 8.99°
- Observer
- Korhan YELKENCİ
Remarks: Hafif Sis, Kenar Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | HS_ – 1 | 12 | 38.9W | 48 | 40.9W | 2.3 | |
| 2 | DAO – 3 | 6 | 34.1W | 43 | 36.1W | 4.4 | |
| 3 | AX_ – 2 | -14 | 14.1W | 23 | 16.1W | 0.7 | |
| 4 | HK_ – 5 | -11 | 46.5W | 56 | 48.5W | 2.2 | |
| 5 | CAI – 9 | -19 | 68W | 77 | 70W | 6.7 | |
| 6 | AX_ – 2 | -13 | 75.2W | 84 | 77.2W | 1.8 | |
| 7 | BXI – 6 | -14 | 63.6W | 73 | 65.6W | 3.5 | |
| 8 | EAI – 36 | -15 | 4.6E | 4 | 2.6E | 10.4 | |
| 9 | BXO – 5 | -9 | 44.1E | 325 | 42.1E | 1.9 | |
| 10 | AX_ – 2 | -11 | 64.1E | 305 | 62.1E | 1.1 | |
| 11 | HS_ – 1 | -14 | 82.5E | 287 | 80.5E | 3.4 |
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