Daily Sunspot Evaluation
Observation Details Wednesday, 20 July 2011
- No
- 16265
- Date
- 2011 / 07 / 20,285
- Time
- 06:50 UT
- Seeing
- 4 / 5
- Number of groups (g)
- 5
- Number of spots (f)
- 40
- Relative number (R)
- 90
- Lf
- 3
- P0
- 5.77°
- B0
- 4.78°
- L0
- 131.35°
- Observer
- Asuman GÜLTEKİN
Remarks: Kenar Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | BXO – 4 | 12 | 55W | 173 | 58W | 4.2 | |
| 2 | HS_ – 1 | 17 | 37W | 155 | 40W | 2.0 | |
| 3 | CAI – 12 | 25 | 54E | 64 | 51E | 6.9 | |
| 4 | ?__ – 1 | -27 | 76W | 194 | 79W | - | |
| 5 | DAI – 22 | -22 | 06W | 124 | 09W | 8.5 |