The Moon on this date
Moon on Sunday, September 15, 1991
First Quarter
47.7% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- SE
- Highest
- 24°
- Moonset
- –
60°30°
Horizon
2:49 PM
24°
Key figures
- Illuminated
- 47.7%
- Age
- 7.2 days
- Distance
- 401,900 km
- Apparent size
- 29.7′
- Constellation
- Ophiuchus
- Lunation number
- 850
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 Sep 15, 12:00 PM, midday on this date.
| Elongation from the Sun | 87.25° |
|---|---|
| Phase angle | 92.60° |
| Illuminated fraction | 47.73% |
| Altitude / azimuth | -29.1° / 100.2° |
| Right ascension / declination | 17h 14m / -25.34° |
| Ecliptic longitude / latitude | 259.57° / -2.32° |
| Libration in longitude / latitude | 4.32° / 3.35° |
| Sub-solar longitude / latitude | 96.13° / -1.43° |
| Position angle of the axis | 5.7° |
| Position angle of the bright limb | 274.4° |
| Apparent magnitude | -9.9 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.