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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 first to fall in summer 2017 – the Hay Moon.

Over the nights following 9 July, 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 -19°14' in the constellation Sagittarius , and so will appear highest in the southern hemisphere. It will be visible from all latitudes north of 60°N. Its distance from the Earth will be 402,000 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 19h11m40s -19°14' Sagittarius 29'39"

The coordinates above are given in J2000.0.

The sky on 09 July 2017
Twilight ends
Twilight begins

15-day old moon
Waxing Gibbous


15 days old

Rise Culm. Set
Mercury 06:59 14:18 21:37
Venus 02:43 09:55 17:07
Moon 20:49 00:56 05:49
Mars 05:52 13:20 20:49
Jupiter 12:48 18:35 00:26
Saturn 18:26 23:07 03:53
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 Jul 2017  –  Full Moon
16 Jul 2017  –  Moon at Last Quarter
23 Jul 2017  –  New Moon
30 Jul 2017  –  Moon at First Quarter

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