Daily Sunspot Evaluation
Observation Details Monday, 19 August 2013
- No
- 16911
- Date
- 2013 / 08 / 19,358
- Time
- 08:35 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 12
- Number of spots (f)
- 70
- Relative number (R)
- 190
- Lf
- 2
- P0
- 17.46°
- B0
- 6.84°
- L0
- 165.34°
- Observer
- Hikmet ÇAKMAK
Remarks: Görüntü Titremesi, Hafif Sis
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | AX_ – 2 | 6 | 61W | 226 | 63W | 2.3 | |
| 2 | BXI – 17 | 16 | 17W | 182 | 19W | 6.2 | |
| 3 | AX_ – 3 | 13 | 11E | 154 | 09E | 1.2 | |
| 4 | ?__ – 4 | 14 | 75E | 90 | 73E | 3.7 | |
| 5 | ?__ – 2 | 17 | 82E | 83 | 80E | 2.2 | |
| 6 | ?__ – 4 | -21 | 79W | 244 | 81W | 2.8 | |
| 7 | HK_ – 3 | -5 | 52W | 217 | 54W | 2.7 | |
| 8 | DAO – 11 | -13 | 29W | 194 | 31W | 6.7 | |
| 9 | BXI – 7 | -13 | 08W | 173 | 10W | 5.9 | |
| 10 | AX_ – 4 | -8 | 01W | 166 | 03W | 1.5 | |
| 11 | HS_ – 8 | -8 | 28E | 137 | 26E | 5.3 | |
| 12 | ?__ – 5 | -19 | 67E | 98 | 65E | 6.9 |