Close approach of the Moon and Saturn

Dominic Ford, Editor
From the Appulses feed

Tags: Appulse

The Moon and Saturn will make a close approach, passing within a mere 3.7 arcminutes of each other. From some parts of the world, the Moon will pass in front of Saturn, creating a lunar occultation. The Moon will be 8 days old.

From Cambridge , the pair will become visible at around 21:00 (EDT), 46° above your south-western horizon, as dusk fades to darkness. They will then sink towards the horizon, setting at 01:40.

The Moon will be at mag -12.1; and Saturn will be at mag 0.9. Both objects will lie in the constellation Virgo.

They will be close enough to fit within the field of view of a telescope, but will also 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 Saturn 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 11h39m40s 4°46'N Virgo -12.1 31'51"5
Saturn 11h39m40s 4°43'N Virgo 0.9 17"8

The coordinates above are given in J2000.0. The pair will be at an angular separation of 97° from the Sun, which is in Taurus at this time of year.

The sky on 3 Jul 2024

The sky on 3 July 2024
Sunrise
05:09
Sunset
20:24
Twilight ends
22:37
Twilight begins
02:56


Waning Crescent

3%

27 days old

Planets
Rise Culm. Set
Mercury 06:44 14:12 21:39
Venus 05:47 13:21 20:56
Moon 02:34 10:37 18:50
Mars 01:52 08:57 16:02
Jupiter 02:57 10:23 17:48
Saturn 23:39 05:19 11:00
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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