The Moon and Venus will share the same right ascension, with the Moon passing 1°29' to the south of Venus. The Moon will be 28 days old.
From Cambridge however, the pair will not be observable – they will reach their highest point in the sky during daytime and will be no higher than 6° above the horizon at dawn.
The Moon will be at mag -8.7, and Venus at mag -3.9, both in the constellation Sagittarius.
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 | 18h16m00s | 24°40'S | Sagittarius | -8.7 | 32'17"2 |
| Venus | 18h16m00s | 23°11'S | Sagittarius | -3.9 | 10"4 |
The coordinates above are given in J2000.0. The pair will be at an angular separation of 17° from the Sun, which is in Sagittarius at this time of year.
The sky on 11 Jan 2021
| The sky on 11 January 2021 | ||||||||||||||||||||||||||||||||||
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0% 28 days old |
All times shown in EST.
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Warning
Never attempt to point a pair of binoculars or a telescope at an object close to the Sun. Doing so may result in immediate and permanent blindness.
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 Sep 2020 | – Venus at highest altitude in morning sky |
| 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.