The Moon on this date
Moon on Monday, September 23, 1991
Full Moon
99.7% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 50°
- Moonset
- W
60°30°
Horizon
7:02 PM
7:01 AM
50°
Key figures
- Illuminated
- 99.7%
- Age
- 15.2 days
- Distance
- 388,600 km
- Apparent size
- 30.7′
- Constellation
- Pisces
- Lunation number
- 850
Events on this date
-
September equinox
Day and night are nearly equal. Autumn begins in the northern hemisphere and spring in the southern.
-
Full Moon
The whole disc is lit. The Moon rises around sunset and stays up all night.
Exact values
For Sep 23, 12:00 PM, midday on this date.
| Elongation from the Sun | 176.65° |
|---|---|
| Phase angle | 5.79° |
| Illuminated fraction | 99.74% |
| Altitude / azimuth | -44.8° / 337.1° |
| Right ascension / declination | 23h 41m / 3.08° |
| Ecliptic longitude / latitude | 356.79° / 4.74° |
| Libration in longitude / latitude | -5.13° / -5.71° |
| Sub-solar longitude / latitude | -1.32° / -1.50° |
| Position angle of the axis | 337.1° |
| Position angle of the bright limb | 294.8° |
| Apparent magnitude | -12.5 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.