Daily Sunspot Evaluation
Observation Details Tuesday, 17 February 2015
- No
- 17366
- Date
- 2015 / 02 / 17,316
- Time
- 07:35 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 4
- Number of spots (f)
- 9
- Relative number (R)
- 49
- Lf
- 2
- P0
- -18.03°
- B0
- -6.91°
- L0
- 148.83°
- Observer
- H.ÇAKMAK=T.Y.
Remarks: Görüntü Titremesi, Hafif Sis
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | HA_ – 3 | 12 | 41W | 190 | 43W | 02.0 | |
| 2 | CAO – 4 | 7 | 38W | 187 | 40W | 06.0 | |
| 3 | AX_ – 1 | 15 | 47E | 102 | 45E | - | |
| 4 | AX_ – 1 | -9 | 15W | 163 | 17W | - |
‹ Previous Report for February 2015 Images of this day Next ›