Daily Sunspot Evaluation
Observation Details Sunday, 19 February 2017
- No
- 17978
- Date
- 2017 / 02 / 19,382
- Time
- 09:10 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 3
- Number of spots (f)
- 4
- Relative number (R)
- 34
- Lf
- 2
- P0
- -18.85°
- B0
- -7.00°
- L0
- 193.32°
- Observer
- Hikmet ÇAKMAK
Remarks: Görüntü Titremesi, Bulutlar Arasında
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | AX_ – 1 | 11 | 12E | 182 | 10E | - | |
| 2 | ?__ – 1 | 20 | 81E | 113 | 79E | 2.4 | |
| 3 | AX_ – 2 | -4 | 71E | 122 | 69E | 1.1 |
‹ Previous Report for February 2017 Images of this day Next ›