The Moon on this date
Moon on Saturday, April 21, 1979
Waning Crescent
28.5% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 38°
- Moonset
- W
60°30°
Horizon
2:51 AM
1:55 PM
38°
Key figures
- Illuminated
- 28.5%
- Age
- 24.6 days
- Distance
- 367,800 km
- Apparent size
- 32.5′
- Constellation
- Capricornus
- Lunation number
- 696
Events on this date
-
Mercury at greatest elongation
27° from the Sun in the morning sky, its best showing before sunrise.
Exact values
For Apr 21, 12:00 PM, midday on this date.
| Elongation from the Sun | 295.61° |
|---|---|
| Phase angle | 115.47° |
| Illuminated fraction | 28.49% |
| Altitude / azimuth | 18.5° / 236.1° |
| Right ascension / declination | 21h 53m / -10.97° |
| Ecliptic longitude / latitude | 326.61° / 1.78° |
| Libration in longitude / latitude | -1.71° / -1.81° |
| Sub-solar longitude / latitude | -116.44° / -1.10° |
| Position angle of the axis | 338.9° |
| Position angle of the bright limb | 71.0° |
| Apparent magnitude | -9.1 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.