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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 3°53' to the north of Mercury. The Moon will be 28 days old.

From Fairfield, the pair will be difficult to observe as they will appear no higher than 9° above the horizon. They will be visible in the dawn sky, rising at 04:19 (EDT) – 1 hour and 21 minutes before the Sun – and reaching an altitude of 9° above the eastern horizon before fading from view as dawn breaks around 05:19.

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 0.7, 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 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 06h31m00s +24°00' Gemini -8.8 31'06"1
Mercury 06h31m00s +20°06' Gemini 0.7 8"5

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

The sky on 18 July 2020
Sunrise
05:36
Sunset
20:22
Twilight ends
22:21
Twilight begins
03:36

27-day old moon
Waning Crescent

2%

27 days old

Planets
Rise Culm. Set
Mercury 04:18 11:36 18:53
Venus 02:49 09:58 17:07
Moon 03:33 11:06 18:39
Mars 23:44 05:54 12:01
Jupiter 19:56 00:41 05:22
Saturn 20:20 01:11 05:57
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

30 Jun 2020  –  Mercury at inferior solar conjunction
22 Jul 2020  –  Mercury at greatest elongation west
24 Jul 2020  –  Mercury reaches highest point in morning sky
26 Jul 2020  –  Mercury at dichotomy

Image credit

None available.

Fairfield

Latitude:
Longitude:
Timezone:

41.14°N
73.26°W
EDT

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