Daily Sunspot Evaluation
Observation Details Thursday, 17 January 2013
- No
- 16729
- Date
- 2013 / 01 / 17,344
- Time
- 08:15 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 4
- Number of spots (f)
- 31
- Relative number (R)
- 71
- Lf
- 2
- P0
- -5.83°
- B0
- -4.79°
- L0
- 111.77°
- Observer
- Orhan GÜNEŞ
Remarks: Kenar Titremesi, Bulutlar Arasında
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | ?__ – 2 | 19 | 72W | 184 | 74W | 1.4 | |
| 2 | EKC – 18 | 7 | 41W | 153 | 43W | 11.6 | |
| 3 | DAI – 8 | 9 | 27W | 139 | 29W | 4.6 | |
| 4 | HS_ – 3 | -13 | 18E | 94 | 16E | 2.0 |
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