Close approach of the Moon and Mars

Dominic Ford, Editor
From the Appulses feed

Tags: Appulse

The Moon and Mars will make a close approach, passing within 3°49' of each other. The Moon will be 25 days old.

From Fairfield , the pair will be visible in the dawn sky, rising at 02:08 (EST) – 3 hours and 13 minutes before the Sun – and reaching an altitude of 26° above the eastern horizon before fading from view as dawn breaks at around 04:34.

The Moon will be at mag -11.0; and Mars will be at mag 1.0. Both objects will lie in the constellation Aries.

They 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.

At around the same time, the pair will also share the same right ascension – called a conjunction.

A graph of the angular separation between the Moon and Mars around the time of closest approach is available here.

The positions of the pair at the moment of closest approach will be as follows:

Object Right Ascension Declination Constellation Magnitude Angular Size
The Moon 02h49m50s 19°18'N Aries -11.0 31'56"7
Mars 02h55m30s 15°44'N Aries 1.0 5"3

The coordinates above are given in J2000.0. The pair will be at an angular separation of 54° from the Sun, which is in Gemini at this time of year.

The sky on 1 Jul 2024

The sky on 1 July 2024
Sunrise
05:21
Sunset
20:29
Twilight ends
22:36
Twilight begins
03:14


Waning Crescent

16%

25 days old

Planets
Rise Culm. Set
Mercury 06:46 14:14 21:41
Venus 05:56 13:27 20:59
Moon 01:43 08:55 16:21
Mars 02:08 09:08 16:08
Jupiter 03:16 10:37 17:59
Saturn 23:54 05:36 11:17
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.

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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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