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°37' to the south of Mercury. The Moon will be 27 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 5° above the horizon at dawn.

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The Moon will be at mag -9.4, and Mercury at mag 0.7, both in the constellation Aquarius.

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 23h13m30s -09°18' Aquarius -9.4 29'34"6
Mercury 23h13m30s -05°41' Aquarius 0.7 9"0

The coordinates above are given in J2000.0. The pair will be at an angular separation of 27° from the Sun, which is in Pisces at this time of year.

The sky on 02 April 2019
Sunrise
06:24
Sunset
19:09
Twilight ends
20:46
Twilight begins
04:47

27-day old moon
Waning Crescent

5%

27 days old

Planets
Rise Culm. Set
Mercury 05:32 11:14 16:56
Venus 05:13 10:41 16:09
Moon 05:38 10:59 16:21
Mars 08:30 15:57 23:24
Jupiter 01:02 05:36 10:10
Saturn 02:48 07:27 12:05
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

01 Mar 2019  –  Mercury reaches highest point in evening sky
09 Apr 2019  –  Mercury reaches highest point in morning sky
11 Apr 2019  –  Mercury at greatest elongation west
19 Jun 2019  –  Mercury reaches highest point 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.

Cambridge

Latitude:
Longitude:
Timezone:

42.38°N
71.11°W
EDT

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