Daily Sunspot Evaluation
Observation Details Sunday, 20 December 2015
- No
- 17627
- Date
- 2015 / 12 / 20,483
- Time
- 11:35 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 2
- Number of spots (f)
- 9
- Relative number (R)
- 29
- Lf
- 0
- P0
- 7.84°
- B0
- -1.54°
- L0
- 66.01°
- Observer
- Başar COŞKUNOĞLU
Remarks: Bulutlar Arasında
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | HH_ – 5 | 14 | 18W | 84 | 18W | 03.2 | |
| 2 | HS_ – 4 | 18 | 07W | 73 | 07W | 01.6 |
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