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Full Moon

Dominic Ford, Editor
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The sky at

The Moon will reach full phase. At this time in its monthly cycle of phases, the Moon lies almost directly opposite the Sun in the sky, placing it high above the horizon for much of the night.

The sequence of full moons through the year are often assigned names according to the seasons in which they fall. This month's will be the second to fall in winter 1990 – the Wolf Moon.

Over the nights following 9 February, the Moon will rise around an hour later each day, becoming prominent later in the night. Within a few days, it will only be visible in the pre-dawn and early-morning sky. By the time it reaches last quarter, a week after full moon, it will rise at around midnight and set at around noon.

At the exact moment when the Moon reaches full phase, it will lie at a declination of +14°08' in the constellation Leo , and so will appear highest in the northern hemisphere. It will be visible from all latitudes south of 65°S. Its distance from the Earth will be 384,000 km.

The exact position of the Moon at the time it reaches full phase will be:

Object Right Ascension Declination Constellation Angular Size
The Moon 09h32m40s +14°08' Leo 31'01"

The coordinates above are given in J2000.0.

The sky on 21 August 2019
Twilight ends
Twilight begins

20-day old moon
Waning Gibbous


20 days old

Rise Culm. Set
Mercury 04:46 11:56 19:06
Venus 06:05 12:56 19:47
Moon 22:49 04:52 11:20
Mars 06:15 13:02 19:50
Jupiter 15:00 19:36 00:17
Saturn 17:10 21:45 02:24
All times shown in EDT.


The circumstances of this event were computed using the DE405 planetary ephemeris published by the Jet Propulsion Laboratory (JPL).

This event was automatically generated by searching the ephemeris for planetary alignments which are of interest to amateur astronomers, and the text above was generated based on an estimate of your location.

Related news

09 Feb 1990  –  Full Moon
17 Feb 1990  –  Moon at Last Quarter
25 Feb 1990  –  New Moon
03 Mar 1990  –  Moon at First Quarter

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