The Moon in conjunction with Venus and Jupiter, with the Very Large Telescope in the foreground. Image © Y. Beletsky, ESO, 2009.

Conjunction of the Moon and Mercury

Dominic Ford, Editor
From the Conjunctions feed

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The sky at

The Moon and Mercury will share the same right ascension, with the Moon passing 3°21' to the south of Mercury. The Moon will be 2 days old.

From Cambridge however, the pair will not be observable – they will reach their highest point in the sky during daytime and will be no higher than 1° above the horizon at dusk.

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The Moon will be at mag -8.5, and Mercury at mag -0.4, both in the constellation Leo.

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 Mercury 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 11h25m20s 1°05'N Leo -8.5 29'35"6
Mercury 11h25m20s 4°26'N Leo -0.4 5"2

The coordinates above are given in J2000.0. The pair will be at an angular separation of 18° from the Sun, which is in Leo at this time of year.

The sky on 16 Apr 2024

The sky on 16 April 2024
Sunrise
05:59
Sunset
19:27
Twilight ends
21:09
Twilight begins
04:16

8-day old moon
Waxing Gibbous

65%

8 days old

Planets
Rise Culm. Set
Mercury 05:37 12:10 18:44
Venus 05:38 11:56 18:14
Moon 12:11 19:59 03:35
Mars 04:41 10:24 16:07
Jupiter 07:07 14:15 21:24
Saturn 04:35 10:10 15:46
All times shown in EDT.

Warning

Never attempt to point a pair of binoculars or a telescope at an object close to the Sun. Doing so may result in immediate and permanent blindness.

Source

The circumstances of this event were computed using the DE430 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

17 Jul 2014  –  Mercury at highest altitude in morning sky
11 Sep 2014  –  Mercury at highest altitude in evening sky
21 Sep 2014  –  Mercury at greatest elongation east
01 Nov 2014  –  Mercury at highest altitude in morning sky

Image credit

The Moon in conjunction with Venus and Jupiter, with the Very Large Telescope in the foreground. Image © Y. Beletsky, ESO, 2009.

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Cambridge

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Longitude:
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42.38°N
71.11°W
EDT

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