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°52' to the north of Mercury. The Moon will be 1 days old.

From San Diego however, the pair will not be readily observable since they will be very close to the Sun, at a separation of only 13° from it.

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 -7.8, and Mercury at mag 3.3, 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 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 06h59m00s 24°05'N Gemini -7.8 31'05"4
Mercury 06h59m00s 20°12'N Gemini 3.3 11"5

The coordinates above are given in J2000.0. The pair will be at an angular separation of 12° from the Sun, which is in Gemini at this time of year.

The sky on 22 Jun 2020

The sky on 22 June 2020
Twilight ends
Twilight begins

1-day old moon
Waxing Crescent


1 day old

Rise Culm. Set
Mercury 06:43 13:41 20:38
Venus 04:07 10:58 17:49
Moon 06:51 14:15 21:36
Mars 00:43 06:35 12:27
Jupiter 21:26 02:31 07:35
Saturn 21:46 02:54 08:02
All times shown in PDT.


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.


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

04 Jun 2020  –  Mercury at greatest elongation east
22 Jul 2020  –  Mercury at greatest elongation west
25 Jul 2020  –  Mercury at highest altitude in morning sky
25 Sep 2020  –  Mercury at highest altitude in evening sky

Image credit

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


San Diego



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