Daily Sunspot Evaluation
Observation Details Thursday, 31 January 2013
- No
- 16738
- Date
- 2013 / 01 / 31,340
- Time
- 08:10 UT
- Seeing
- 4 / 5
- Number of groups (g)
- 5
- Number of spots (f)
- 25
- Relative number (R)
- 75
- Lf
- 2
- P0
- -11.96°
- B0
- -5.98°
- L0
- 287.48°
- Observer
- Hikmet ÇAKMAK
Remarks: Görüntü Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | HA_ – 2 | 27 | 28W | 315 | 30W | 1.6 | |
| 2 | AX_ – 1 | 11 | 02W | 289 | 04W | - | |
| 3 | HA_ – 6 | 10 | 46E | 241 | 44E | 3.3 | |
| 4 | CAO – 13 | -10 | 12W | 299 | 14W | 7.9 | |
| 5 | AX_ – 3 | -25 | 44E | 243 | 42E | 0.6 |
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