Daily Sunspot Evaluation
Observation Details Monday, 31 July 2017
- No
- 18123
- Date
- 2017 / 07 / 31,396
- Time
- 09:30 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 1
- Number of spots (f)
- 2
- Relative number (R)
- 12
- Lf
- 1
- P0
- 10.62°
- B0
- 5.74°
- L0
- 212.60°
- Observer
- Ö.ÖNALTAŞ=T.Y.
Remarks: Görüntü Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | AX_ – 2 | 15 | 19W | 231 | 20W | 02.1 |