Daily Sunspot Evaluation
Observation Details Sunday, 17 April 2011
- No
- 16183
- Date
- 2011 / 04 / 17,271
- Time
- 06:30 UT
- Seeing
- 2 / 5
- Number of groups (g)
- 4
- Number of spots (f)
- 56
- Relative number (R)
- 96
- Lf
- 3
- P0
- -25.91°
- B0
- -5.47°
- L0
- 295.01°
- Observer
- Korhan YELKENCİ
Remarks: Yoğun Bulutlu, Kenar Titremesi, Bulutlar Arasında
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | DAO – 24 | 11 | 43W | 338 | 46W | 10.1 | |
| 2 | CSI – 4 | 7 | 14E | 281 | 11E | 6.8 | |
| 3 | AX_ – 1 | 9 | 22E | 273 | 19E | - | |
| 4 | EAC – 27 | 16 | 29E | 266 | 26E | 13.8 |