Conjunction of the Moon and Mercury

Dominic Ford, Editor
From the Conjunctions feed


The Moon and Mercury will share the same right ascension, with the Moon passing 1°08' to the south of Mercury. The Moon will be 1 days old.

From South El Monte 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.

The Moon will be at mag -8.1, and Mercury at mag 2.3, both in the constellation Virgo.

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 13h10m00s 12°22'S Virgo -8.1 30'22"9
Mercury 13h10m00s 11°13'S Virgo 2.3 9"9

The coordinates above are given in J2000.0. The pair will be at an angular separation of 14° from the Sun, which is in Virgo at this time of year.

The sky on 7 Nov 2025

The sky on 7 November 2025
Sunrise
06:15
Sunset
16:53
Twilight ends
18:19
Twilight begins
04:49


Waning Gibbous

86%

17 days old

Planets
Rise Culm. Set
Mercury 08:05 12:58 17:51
Venus 05:05 10:39 16:13
Moon 17:47 01:19 08:57
Mars 07:39 12:42 17:45
Jupiter 21:27 04:31 11:35
Saturn 14:36 20:27 02:19
All times shown in PST.

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

10 Sep 2008  –  Mercury at greatest elongation east
22 Oct 2008  –  Mercury at highest altitude in morning sky
22 Oct 2008  –  Mercury at greatest elongation west
04 Jan 2009  –  Mercury at greatest elongation east

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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