Daily Sunspot Evaluation
Observation Details Wednesday, 17 July 2013
- No
- 16878
- Date
- 2013 / 07 / 17,281
- Time
- 06:45 UT
- Seeing
- 4 / 5
- Number of groups (g)
- 4
- Number of spots (f)
- 41
- Relative number (R)
- 81
- Lf
- 3
- P0
- 4.68°
- B0
- 4.55°
- L0
- 242.76°
- Observer
- Hikmet ÇAKMAK
Remarks: Görüntü Titremesi, Hafif Sis
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | EAI – 15 | 21 | 48E | 195 | 480E | 12.9 | |
| 2 | BXO – 4 | -13 | 28W | 271 | 287W | 03.2 | |
| 3 | CAI – 16 | -13 | 10W | 253 | 102W | 06.8 | |
| 4 | BXI – 6 | -18 | 22E | 221 | 218E | 03.6 |