Daily Sunspot Evaluation
Observation Details Friday, 15 April 2011
- No
- 16181
- Date
- 2011 / 04 / 15,271
- Time
- 06:30 UT
- Seeing
- 4 / 5
- Number of groups (g)
- 8
- Number of spots (f)
- 93
- Relative number (R)
- 173
- Lf
- 3
- P0
- -26.04°
- B0
- -5.63°
- L0
- 321.42°
- Observer
- H.ÇAKMAK+B.C.
Remarks: Görüntü Titremesi, Hafif Sis
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | AX_ – 1 | 16 | 68W | 29 | 71W | - | |
| 2 | AX_ – 3 | 20 | 53W | 14 | 56W | 1.4 | |
| 3 | AX_ – 1 | 22 | 44W | 5 | 47W | 0.6 | |
| 4 | AX_ – 2 | 9 | 33W | 354 | 36W | 0.5 | |
| 5 | DAI – 54 | 13 | 16W | 337 | 19W | 10.7 | |
| 6 | CSO – 5 | 8 | 44E | 277 | 41E | 10.3 | |
| 7 | EAI – 24 | 16 | 57E | 264 | 54E | 13.5 | |
| 8 | AX_ – 3 | -32 | 44W | 5 | 47W | 1.8 |