Daily Sunspot Evaluation
Observation Details Sunday, 17 May 2015
- No
- 17433
- Date
- 2015 / 05 / 17,302
- Time
- 07:15 UT
- Seeing
- 4 / 5
- Number of groups (g)
- 6
- Number of spots (f)
- 20
- Relative number (R)
- 80
- Lf
- 3
- P0
- -20.42°
- B0
- -2.46°
- L0
- 54.67°
- Observer
- Hikmet ÇAKMAK
Remarks: Görüntü Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | ?__ – 7 | 11 | 73W | 128 | 76W | 14.8 | |
| 2 | HS_ – 1 | 17 | 40W | 95 | 43W | 02.0 | |
| 3 | HA_ – 2 | -20 | 47W | 102 | 50W | 02.0 | |
| 4 | HS_ – 1 | -9 | 16W | 70 | 19W | 01.1 | |
| 5 | BXI – 8 | -8 | 03W | 58 | 06W | 09.4 | |
| 6 | HA_ – 1 | -10 | 32E | 24 | 29E | 01.6 |