Daily Sunspot Evaluation
Observation Details Friday, 31 May 2013
- No
- 16831
- Date
- 2013 / 05 / 31,347
- Time
- 08:19 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 5
- Number of spots (f)
- 9
- Relative number (R)
- 59
- Lf
- 2
- P0
- -15.63°
- B0
- -0.74°
- L0
- 143.95°
- Observer
- Başar COŞKUNOĞLU
Remarks: Bulutlar Arasında
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | AX_ – 2 | 12 | 49E | 95 | 47E | 1.2 | |
| 2 | HS_ – 1 | -19 | 73W | 217 | 75W | 1.7 | |
| 3 | HS_ – 4 | -9 | 02W | 146 | 04W | 1.3 | |
| 4 | AX_ – 1 | -21 | 18E | 126 | 16E | - | |
| 5 | AX_ – 1 | -15 | 24E | 120 | 22E | - |