Daily Sunspot Evaluation
Observation Details Sunday, 21 August 2011
- No
- 16297
- Date
- 2011 / 08 / 21,274
- Time
- 06:35 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 4
- Number of spots (f)
- 24
- Relative number (R)
- 64
- Lf
- 3
- P0
- 17.91°
- B0
- 6.89°
- L0
- 68.33°
- Observer
- Asuman GÜLTEKİN
Remarks: Kenar Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | EAI – 13 | 17 | 09E | 59 | 06E | 10.7 | |
| 2 | HR_ – 2 | 19 | 66E | 2 | 63E | 2.4 | |
| 3 | ?__ – 1 | 7 | 77E | 351 | 74E | 2.0 | |
| 4 | CSI – 8 | -21 | 14E | 54 | 11E | 5.7 |