Daily Sunspot Evaluation
Observation Details Thursday, 20 August 2015
- No
- 17527
- Date
- 2015 / 08 / 20,308
- Time
- 07:23 UT
- Seeing
- 4 / 5
- Number of groups (g)
- 3
- Number of spots (f)
- 72
- Relative number (R)
- 102
- Lf
- 3
- P0
- 17.60°
- B0
- 6.85°
- L0
- 237.67°
- Observer
- Özgecan ÖNALTAŞ
Remarks: Bulutlar Arasında
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | AX_ – 1 | 14 | 35E | 203 | 32E | - | |
| 2 | CSI – 18 | -10 | 32W | 270 | 35W | 5.7 | |
| 3 | DAC – 53 | -14 | 48E | 190 | 45E | 9.2 |