Conjunction of the Moon and Mars

Dominic Ford, Editor
From the Conjunctions feed


The Moon and Mars will share the same right ascension, with the Moon passing 5°55' to the north of Mars. The Moon will be 12 days old.

At around the same time, the two objects will also make a close approach, technically called an appulse.

From Columbus , the pair will be visible in the evening sky, becoming accessible around 21:25 (EDT), 15° above your south-eastern horizon, as dusk fades to darkness. They will then reach their highest point in the sky at 23:44, 23° above your southern horizon. They will continue to be observable until around 03:09, when they sink below 7° above your south-western horizon.

The Moon will be at mag -12.5, and Mars at mag -2.1, both in the constellation Ophiuchus.

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 17h01m30s 20°56'S Ophiuchus -12.5 30'22"1
Mars 17h01m30s 26°51'S Ophiuchus -2.1 20"3

The coordinates above are given in J2000.0. The pair will be at an angular separation of 154° from the Sun, which is in Gemini at this time of year.

The sky on 29 Sep 2024

The sky on 29 September 2024
Sunrise
07:24
Sunset
19:16
Twilight ends
20:47
Twilight begins
05:53


Waning Crescent

6%

26 days old

Planets
Rise Culm. Set
Mercury 07:19 13:19 19:18
Venus 10:02 15:16 20:30
Moon 04:14 11:18 18:10
Mars 00:29 07:57 15:24
Jupiter 22:53 06:17 13:41
Saturn 18:28 00:03 05:38
All times shown in EDT.

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

21 Jun 2001  –  Mars at perigee
19 Jul 2001  –  Mars ends retrograde motion
29 Jul 2003  –  Mars enters retrograde motion
27 Aug 2003  –  Mars at perigee

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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