Conjunction of the Moon and Saturn

Dominic Ford, Editor
From the Conjunctions feed


The Moon and Saturn will share the same right ascension, with the Moon passing 3°47' to the north of Saturn. The Moon will be 15 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 19:40 (EDT), 12° above your eastern horizon, as dusk fades to darkness. They will then reach their highest point in the sky at 00:28, 46° above your southern horizon. They will continue to be observable until around 05:17, when they sink below 11° above your western horizon.

The Moon will be at mag -12.7 in the constellation Pisces, and Saturn at mag 0.6 in the neighbouring constellation of Aquarius.

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 Saturn 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 23h53m00s 0°18'N Pisces -12.7 32'44"4
Saturn 23h53m00s 3°29'S Aquarius 0.6 19"3

The coordinates above are given in J2000.0. The pair will be at an angular separation of 165° from the Sun, which is in Virgo at this time of year.

The sky on 5 Oct 2025

The sky on 5 October 2025
Sunrise
07:29
Sunset
19:07
Twilight ends
20:37
Twilight begins
05:59


Waxing Gibbous

99%

14 days old

Planets
Rise Culm. Set
Mercury 08:52 14:16 19:40
Venus 05:35 11:57 18:18
Moon 18:18 00:25 06:49
Mars 09:45 14:58 20:11
Jupiter 00:51 08:12 15:32
Saturn 18:37 00:28 06:20
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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