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Conjunction of the Moon and Mars

Dominic Ford, Editor
From the Conjunctions feed

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The sky at

The Moon and Mars will share the same right ascension, with the Moon passing 5°34' to the south of Mars. The Moon will be 9 days old.

From Fairfield, the pair will be visible in the evening sky, becoming accessible around 16:48 (EST) as the dusk sky fades, 45° above your south-eastern horizon. They will then reach its highest point in the sky at 19:08, 58° above your southern horizon. They will continue to be observable until around 01:04, when they sink below 7° above your western horizon.

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 -12.1, and Mars at mag -0.5, both in the constellation Pisces.

The pair will be too widely separated to fit within the field of view of a telescope or pair of binoculars, but will be visible to the naked eye.

A graph of the angular separation between the Moon and Mars 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 01h26m40s +04°16' Pisces -12.1 29'31"5
Mars 01h26m40s +09°50' Pisces -0.5 11"3

The coordinates above are given in J2000.0. The pair will be at an angular separation of 109° from the Sun, which is in Sagittarius at this time of year.

The sky on 23 December 2020
Sunrise
07:16
Sunset
16:28
Twilight ends
18:08
Twilight begins
05:36

9-day old moon
Waxing Gibbous

66%

9 days old

Planets
Rise Culm. Set
Mercury 07:34 12:01 16:28
Venus 05:30 10:16 15:01
Moon 12:57 19:19 00:41
Mars 12:31 19:09 01:49
Jupiter 09:07 13:55 18:42
Saturn 09:06 13:54 18:41
All times shown in EST.

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

13 Oct 2020  –  Mars at opposition
12 Jul 2021  –  Mars at aphelion
20 Sep 2021  –  Mars at apogee
08 Oct 2021  –  Mars at solar conjunction

Image credit

None available.

Fairfield

Latitude:
Longitude:
Timezone:

41.14°N
73.26°W
EST

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