The Moon on this date
Moon on Tuesday, October 23, 1917
First Quarter
51.2% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- SE
- Highest
- 33°
- Moonset
- –
60°30°
Horizon
1:41 PM
33°
Key figures
- Illuminated
- 51.2%
- Age
- 7.6 days
- Distance
- 372,900 km
- Apparent size
- 32.0′
- Constellation
- Capricornus
- Lunation number
- -64
Events on this date
-
First Quarter
Half of the disc is lit. The Moon is high at sunset and sets around midnight.
Exact values
For Oct 23, 12:00 PM, midday on this date.
| Elongation from the Sun | 91.27° |
|---|---|
| Phase angle | 88.59° |
| Illuminated fraction | 51.23% |
| Altitude / azimuth | -18.5° / 98.2° |
| Right ascension / declination | 20h 11m / -17.67° |
| Ecliptic longitude / latitude | 301.00° / 2.33° |
| Libration in longitude / latitude | -4.07° / -2.30° |
| Sub-solar longitude / latitude | 83.96° / -1.39° |
| Position angle of the axis | 348.7° |
| Position angle of the bright limb | 257.4° |
| Apparent magnitude | -10.2 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.