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 32' to the south of Saturn. The Moon will be 4 days old.

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

From South El Monte , the pair will become visible at around 20:20 (PDT), 29° above your western horizon, as dusk fades to darkness. They will then sink towards the horizon, setting 3 hours and 4 minutes after the Sun at 22:55.

The Moon will be at mag -10.3, and Saturn at mag 0.0, both in the constellation Gemini.

The pair will be a little too widely separated to fit comfortably 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 07h25m30s 21°28'N Gemini -10.3 29'26"4
Saturn 07h25m30s 22°00'N Gemini 0.0 17"0

The coordinates above are given in J2000.0. The pair will be at an angular separation of 42° from the Sun, which is in Taurus at this time of year.

The sky on 22 Aug 2025

The sky on 22 August 2025
Sunrise
06:16
Sunset
19:30
Twilight ends
20:59
Twilight begins
04:46


Waxing Crescent

0%

29 days old

Planets
Rise Culm. Set
Mercury 04:51 11:42 18:34
Venus 03:37 10:39 17:41
Moon 05:39 12:35 19:22
Mars 09:28 15:22 21:15
Jupiter 02:47 09:55 17:03
Saturn 20:56 02:53 08:50
All times shown in PDT.

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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