The Moon in conjunction with Venus and Jupiter, with the Very Large Telescope in the foreground. Image © Y. Beletsky, ESO, 2009.

Conjunction of the Moon and Saturn

Dominic Ford, Editor
From the Conjunctions feed

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The sky at

The Moon and Saturn will share the same right ascension, with the Moon passing 3°56' to the south of Saturn. The Moon will be 8 days old.

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

From Ashburn, the pair will be visible in the evening sky, becoming accessible around 18:48 (EST) as the dusk sky fades, 28° above your south-eastern horizon. They will then reach their highest point in the sky at 20:12, 31° above your southern horizon. They will continue to be observable until around 00:23, when they sink below 8° above your south-western horizon.

Begin typing the name of a town near to you, and then select the town from the list of options which appear below.

The Moon will be at mag -12.2, and Saturn at mag 0.3, both in the constellation Capricornus.

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 20h36m40s -23°21' Capricornus -12.2 31'36"0
Saturn 20h36m40s -19°25' Capricornus 0.3 17"2

The coordinates above are given in J2000.0. The pair will be at an angular separation of 104° from the Sun, which is in Virgo at this time of year.

The sky on 14 October 2021
Sunrise
07:18
Sunset
18:33
Twilight ends
20:01
Twilight begins
05:49

8-day old moon
Waxing Gibbous

62%

8 days old

Planets
Rise Culm. Set
Mercury 06:30 12:18 18:06
Venus 11:21 15:58 20:34
Moon 16:03 20:54 00:36
Mars 07:08 12:48 18:29
Jupiter 16:03 21:15 02:31
Saturn 15:16 20:12 01:13
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

02 Aug 2021  –  Saturn at opposition
04 Feb 2022  –  Saturn at solar conjunction
14 Aug 2022  –  Saturn at opposition
16 Feb 2023  –  Saturn at solar conjunction

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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Ashburn

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Longitude:
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39.04°N
77.49°W
EST

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