Daily Sunspot Evaluation
Observation Details Friday, 20 April 2012
- No
- 16480
- Date
- 2012 / 04 / 20,337
- Time
- 08:05 UT
- Seeing
- 5 / 5
- Number of groups (g)
- 7
- Number of spots (f)
- 167
- Relative number (R)
- 237
- Lf
- 2
- P0
- -25.57°
- B0
- -5.15°
- L0
- 103.76°
- Observer
- Hikmet ÇAKMAK
Remarks: Görüntü Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | DAC – 43 | 15 | 04W | 108 | 06W | 9.6 | |
| 2 | BXO – 2 | 22 | 03W | 107 | 05W | 3.0 | |
| 3 | AX_ – 5 | 11 | 35E | 69 | 33E | 1.9 | |
| 4 | CAI – 16 | -26 | 54W | 158 | 56W | 9.4 | |
| 5 | EAI – 23 | -25 | 36W | 140 | 38W | 10.3 | |
| 6 | DAI – 64 | -17 | 12E | 92 | 10E | 11.8 | |
| 7 | BXI – 14 | -18 | 50E | 54 | 48E | 5.6 |