Daily Sunspot Evaluation
Observation Details Thursday, 7 April 2011
- No
- 16174
- Date
- 2011 / 04 / 07,347
- Time
- 08:20 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 6
- Number of spots (f)
- 29
- Relative number (R)
- 89
- Lf
- 2
- P0
- -26.28°
- B0
- -6.19°
- L0
- 66.02°
- Observer
- Sinan ALİŞ
Remarks: Kenar Titremesi, Hafif Sis
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | HA_ – 1 | 14 | 72W | 138 | 74W | 2.2 | |
| 2 | DAO – 9 | 15 | 45W | 111 | 47W | 7.1 | |
| 3 | CAO – 6 | 21 | 33E | 33 | 31E | 4.9 | |
| 4 | CAO – 5 | 18 | 41E | 26 | 39E | 3.6 | |
| 5 | CAO – 7 | 21 | 54E | 12 | 52E | 5.6 | |
| 6 | HA_ – 1 | -20 | 73E | 353 | 71E | 2.3 |