Daily Sunspot Evaluation
Observation Details Sunday, 15 April 2012
- No
- 16475
- Date
- 2012 / 04 / 15,500
- Time
- 12:00 UT
- Seeing
- 4 / 5
- Number of groups (g)
- 7
- Number of spots (f)
- 47
- Relative number (R)
- 117
- Lf
- 0
- P0
- -25.97°
- B0
- -5.55°
- L0
- 167.63°
- Observer
- Hikmet ÇAKMAK
Remarks: Görüntü Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | CAI – 25 | 7 | 40W | 208 | 40W | 9.9 | |
| 2 | AX_ – 4 | 20 | 21E | 147 | 21E | 1.0 | |
| 3 | BXO – 3 | 7 | 62E | 107 | 62E | 4.6 | |
| 4 | AX_ – 3 | 15 | 63E | 105 | 63E | 1.3 | |
| 5 | AX_ – 3 | -13 | 07E | 161 | 07E | 2.6 | |
| 6 | AX_ – 1 | -24 | 27E | 141 | 27E | - | |
| 7 | EAI – 8 | -17 | 76E | 92 | 76E | 10.4 |