Daily Sunspot Evaluation
Observation Details Friday, 13 January 2017
- No
- 17961
- Date
- 2017 / 01 / 13,309
- Time
- 07:25 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 3
- Number of spots (f)
- 7
- Relative number (R)
- 37
- Lf
- 3
- P0
- -3.95°
- B0
- -4.39°
- L0
- 321.46°
- Observer
- Korhan YELKENCİ
Remarks: Görüntü Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | HS_ – 2 | 2 | 67E | 254 | 64E | 2.9 | |
| 2 | BXI – 3 | 3 | 77E | 244 | 74E | 5.9 | |
| 3 | HS_ – 2 | 9 | 79E | 243 | 76E | 5.2 |
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