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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 2°46' to the south of Mercury. The Moon will be 2 days old.

From Ashburn, the pair will be difficult to observe as they will appear no higher than 13° above the horizon. They will become visible around 20:41 (EDT) as the dusk sky fades, 13° above your western horizon. They will then sink towards the horizon, setting 1 hour and 44 minutes after the Sun at 22:05.

Begin typing the name of a town near to you, and then select the town from the list of options which appear below.

The Moon will be at mag -8.8, and Mercury at mag -0.5, both in the constellation Taurus.

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 05h30m30s +22°44' Taurus -8.8 30'26"8
Mercury 05h30m30s +25°31' Taurus -0.5 6"4

The coordinates above are given in J2000.0. The pair will be at an angular separation of 19° from the Sun, which is in Taurus at this time of year.

The sky on 24 May 2020
Twilight ends
Twilight begins

2-day old moon
Waxing Crescent


2 days old

Rise Culm. Set
Mercury 06:57 14:32 22:07
Venus 06:35 14:10 21:46
Moon 07:23 14:48 22:13
Mars 02:13 07:40 13:07
Jupiter 00:06 04:56 09:47
Saturn 00:21 05:16 10:11
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

10 May 2020  –  Mercury at perihelion
29 May 2020  –  Mercury at dichotomy
03 Jun 2020  –  Mercury reaches highest point in evening sky
04 Jun 2020  –  Mercury at greatest elongation east

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