Daily Sunspot Evaluation
Observation Details Sunday, 20 January 2013
- No
- 16731
- Date
- 2013 / 01 / 20,389
- Time
- 09:20 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 3
- Number of spots (f)
- 16
- Relative number (R)
- 46
- Lf
- 1
- P0
- -7.22°
- B0
- -5.08°
- L0
- 71.68°
- Observer
- Özgecan ÖNAL
Remarks: Bulutlar Arasında
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | CSO – 5 | 11 | 67W | 139 | 68W | 4.3 | |
| 2 | BXI – 10 | 13 | 08E | 64 | 07E | 8.0 | |
| 3 | HA_ – 1 | -11 | 23W | 95 | 24W | 2.2 |
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