The Moon on this date
Moon on Sunday, February 1, 1981
Waning Crescent
11.5% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- SE
- Highest
- 29°
- Moonset
- SW
60°30°
Horizon
4:55 AM
2:52 PM
29°
Key figures
- Illuminated
- 11.5%
- Age
- 26.4 days
- Distance
- 390,700 km
- Apparent size
- 30.6′
- Constellation
- Sagittarius
- Lunation number
- 718
Events on this date
-
Mercury at greatest elongation
18° from the Sun in the evening sky, its best showing after sunset.
Exact values
For Feb 1, 12:00 PM, midday on this date.
| Elongation from the Sun | 320.61° |
|---|---|
| Phase angle | 140.40° |
| Illuminated fraction | 11.47% |
| Altitude / azimuth | 22.8° / 211.0° |
| Right ascension / declination | 18h 14m / -20.17° |
| Ecliptic longitude / latitude | 273.38° / 3.23° |
| Libration in longitude / latitude | -5.48° / -3.43° |
| Sub-solar longitude / latitude | -145.68° / -0.03° |
| Position angle of the axis | 357.5° |
| Position angle of the bright limb | 91.7° |
| Apparent magnitude | -7.5 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.