The Moon on this date
Moon on Wednesday, January 31, 2018
Full Moon
100.0% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 68°
- Moonset
- W
60°30°
Horizon
6:14 PM
7:42 AM
68°
Key figures
- Illuminated
- 100.0%
- Age
- 14.6 days
- Distance
- 360,500 km
- Apparent size
- 33.1′
- Constellation
- Cancer
- Lunation number
- 1176
Events on this date
-
Full Moon
The whole disc is lit. The Moon rises around sunset and stays up all night.
-
Total lunar eclipse
The Moon passes fully into Earth's shadow and turns a dim copper red. It starts at 6:48 AM, is deepest at 8:29 AM and ends at 10:11 AM. Totality lasts from 7:51 AM to 9:08 AM. Partly visible from Columbus: the Moon is below the horizon for some of it.
Exact values
For Jan 31, 12:00 PM, midday on this date.
| Elongation from the Sun | 182.06° |
|---|---|
| Phase angle | 2.06° |
| Illuminated fraction | 99.97% |
| Altitude / azimuth | -32.5° / 344.8° |
| Right ascension / declination | 9h 05m / 16.57° |
| Ecliptic longitude / latitude | 133.83° / -0.10° |
| Libration in longitude / latitude | 2.74° / 0.96° |
| Sub-solar longitude / latitude | 0.59° / 0.07° |
| Position angle of the axis | 18.2° |
| Position angle of the bright limb | 130.6° |
| Apparent magnitude | -12.8 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.