The Moon on this date
Moon on Wednesday, January 31, 1990
Waxing Crescent
27.3% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 61°
- Moonset
- W
60°30°
Horizon
10:00 AM
11:41 PM
61°
Key figures
- Illuminated
- 27.3%
- Age
- 4.9 days
- Distance
- 370,700 km
- Apparent size
- 32.2′
- Constellation
- Pisces
- Lunation number
- 830
Events on this date
-
Mercury at greatest elongation
25° from the Sun in the morning sky, its best showing before sunrise.
Exact values
For Jan 31, 12:00 PM, midday on this date.
| Elongation from the Sun | 62.80° |
|---|---|
| Phase angle | 116.98° |
| Illuminated fraction | 27.32% |
| Altitude / azimuth | 21.6° / 96.1° |
| Right ascension / declination | 0h 46m / 9.79° |
| Ecliptic longitude / latitude | 14.37° / 4.48° |
| Libration in longitude / latitude | -1.44° / -4.94° |
| Sub-solar longitude / latitude | 115.26° / -0.17° |
| Position angle of the axis | 337.9° |
| Position angle of the bright limb | 245.2° |
| Apparent magnitude | -9.0 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.