Daily Sunspot Evaluation
Observation Details Tuesday, 17 July 2012
- No
- 16564
- Date
- 2012 / 07 / 17,302
- Time
- 07:15 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 8
- Number of spots (f)
- 56
- Relative number (R)
- 136
- Lf
- 3
- P0
- 4.79°
- B0
- 4.57°
- L0
- 20.03°
- Observer
- Özgecan ÖNAL
Remarks: Bulutlar Arasında
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | BXO – 4 | 12 | 75W | 95 | 78W | 8.1 | |
| 2 | HA_ – 2 | -16 | 73W | 93 | 76W | 3.5 | |
| 3 | ?__ – 4 | -21 | 73W | 93 | 76W | 5.6 | |
| 4 | EKI – 25 | -16 | 60W | 80 | 63W | 11.4 | |
| 5 | CAO – 11 | -28 | 27W | 47 | 30W | 8.0 | |
| 6 | HA_ – 2 | -15 | 60E | 320 | 57E | 1.7 | |
| 7 | HA_ – 4 | -20 | 63E | 318 | 60E | 1.6 | |
| 8 | BXI – 4 | -17 | 63E | 317 | 60E | 4.1 |