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 Venus

Dominic Ford, Editor
From the Conjunctions feed

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The sky at

The Moon and Venus will share the same right ascension, with the Moon passing 4°04' to the north of Venus. The Moon will be 3 days old.

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

From Cambridge , the pair will become visible at around 19:21 (EST), 11° above your south-western horizon, as dusk fades to darkness. They will then sink towards the horizon, setting 1 hour and 29 minutes after the Sun at 20:33.

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The Moon will be at mag -10.4, and Venus at mag -4.1, both in the constellation Virgo.

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 Venus 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 13h46m00s 7°41'S Virgo -10.4 32'20"9
Venus 13h46m00s 11°45'S Virgo -4.1 16"0

The coordinates above are given in J2000.0. The pair will be at an angular separation of 40° from the Sun, which is in Leo at this time of year.

The sky on 9 Sep 2021

The sky on 9 September 2021
Sunrise
06:15
Sunset
19:04
Twilight ends
20:41
Twilight begins
04:38

2-day old moon
Waxing Crescent

15%

2 days old

Planets
Rise Culm. Set
Mercury 08:36 14:13 19:50
Venus 09:52 15:12 20:32
Moon 09:07 14:58 20:37
Mars 07:04 13:16 19:27
Jupiter 18:06 23:15 04:23
Saturn 17:17 22:07 02:56
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

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29 Oct 2021  –  Venus at greatest elongation east
06 Dec 2021  –  Venus at highest altitude in evening sky
16 Feb 2022  –  Venus at highest altitude in morning sky

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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Cambridge

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Longitude:
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42.38°N
71.11°W
EST

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