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Conjunction of the Moon and Jupiter

Dominic Ford, Editor
From the Conjunctions feed

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The sky at

The Moon and Jupiter will share the same right ascension, with the Moon passing 4°29' to the south of Jupiter. The Moon will be 25 days old.

At around the same time, the two objects will also make a close approach, technically called an appulse.

From Ashburn, the pair will be visible in the dawn sky, rising at 02:08 (EDT) and reaching an altitude of 46° above the eastern horizon before fading from view as dawn breaks around 06:21.

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The Moon will be at mag -10.8, and Jupiter at mag -2.0, both in the constellation Gemini.

The pair will be too widely separated to fit within the field of view of a telescope, but will be visible to the naked eye or through a pair of binoculars.

A graph of the angular separation between the Moon and Jupiter around the time of closest approach is available here.

The positions of the two objects at the moment of conjunction will be as follows:

Object Right Ascension Declination Constellation Magnitude Angular Size
The Moon 06h59m40s +18°07' Gemini -10.8 29'31"1
Jupiter 06h59m40s +22°36' Gemini -2.0 34"0

The coordinates above are given in J2000.0. The pair will be at an angular separation of 54° from the Sun, which is in Leo at this time of year.

The sky on 31 August 2013
Sunrise
06:38
Sunset
19:42
Twilight ends
21:16
Twilight begins
05:04

25-day old moon
Waning Crescent

20%

25 days old

Planets
Rise Culm. Set
Mercury 07:09 13:37 20:04
Venus 09:55 15:35 21:15
Moon 02:18 09:24 16:30
Mars 03:34 10:49 18:04
Jupiter 02:08 09:31 16:53
Saturn 11:27 16:51 22:16
All times shown in EDT.

Source

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

19 Jun 2013  –  Jupiter at solar conjunction
05 Jan 2014  –  Jupiter at opposition
24 Jul 2014  –  Jupiter at solar conjunction
06 Feb 2015  –  Jupiter at opposition

Image credit

None available.

Ashburn

Latitude:
Longitude:
Timezone:

39.04°N
77.49°W
EDT

Color scheme