The Moon on this date
Moon on Tuesday, July 31, 1979
Waxing Crescent
44.3% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 40°
- Moonset
- W
60°30°
Horizon
1:30 PM
12:16 AM
40°
Key figures
- Illuminated
- 44.3%
- Age
- 7.6 days
- Distance
- 395,300 km
- Apparent size
- 30.2′
- Constellation
- Virgo
- Lunation number
- 700
Events on this date
-
Mercury at inferior conjunction
Passes between Earth and the Sun and is lost in its glare.
Exact values
For Jul 31, 12:00 PM, midday on this date.
| Elongation from the Sun | 83.29° |
|---|---|
| Phase angle | 96.54° |
| Illuminated fraction | 44.30% |
| Altitude / azimuth | -16.8° / 86.7° |
| Right ascension / declination | 14h 02m / -7.98° |
| Ecliptic longitude / latitude | 211.15° / 4.15° |
| Libration in longitude / latitude | -5.87° / -5.07° |
| Sub-solar longitude / latitude | 89.94° / -0.85° |
| Position angle of the axis | 20.9° |
| Position angle of the bright limb | 289.6° |
| Apparent magnitude | -9.8 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.