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 4°31' to the north of Mercury. The Moon will be 29 days old.

From Fairfield however, the pair will not be observable – they will reach their highest point in the sky during daytime and will be no higher than 4° above the horizon at dawn.

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 -8.2, and Mercury at mag 2.3, 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 07h39m30s +21°59' Gemini -8.2 32'50"6
Mercury 07h39m30s +17°28' Gemini 2.3 9"8

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

The sky on 30 July 2019
Sunrise
05:45
Sunset
20:11
Twilight ends
22:04
Twilight begins
03:52

28-day old moon
Waning Crescent

1%

28 days old

Planets
Rise Culm. Set
Mercury 04:54 12:00 19:07
Venus 05:23 12:42 20:02
Moon 04:04 11:31 18:59
Mars 06:40 13:44 20:47
Jupiter 16:31 21:12 01:56
Saturn 18:46 23:25 04:09
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 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

23 Jun 2019  –  Mercury at greatest elongation east
09 Aug 2019  –  Mercury at greatest elongation west
12 Aug 2019  –  Mercury reaches highest point in morning sky
17 Oct 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.

Fairfield

Latitude:
Longitude:
Timezone:

41.14°N
73.26°W
EDT

Color scheme