Daily Sunspot Evaluation
Observation Details Monday, 21 December 2015
- No
- 17628
- Date
- 2015 / 12 / 21,344
- Time
- 08:15 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 2
- Number of spots (f)
- 3
- Relative number (R)
- 23
- Lf
- 2
- P0
- 7.44°
- B0
- -1.64°
- L0
- 54.66°
- Observer
- Başar COŞKUNOĞLU
Remarks: Bulutlar Arasında
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | HH_ – 1 | 12 | 30W | 85 | 32W | 3.8 | |
| 2 | AX_ – 2 | 16 | 21W | 76 | 23W | 2.0 |
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