The Moon and Mercury will share the same right ascension, with the Moon passing 5°21' to the south of Mercury. The Moon will be 2 days old.
From Cambridge , the pair will become visible at around 19:57 (EDT), 12° above your western horizon, as dusk fades to darkness. They will then sink towards the horizon, setting 1 hour and 44 minutes after the Sun at 21:16.
The Moon will be at mag -8.6, and Mercury at mag -0.4, both in the constellation Aries.
The pair will be too widely separated to fit within the field of view of a telescope or pair of binoculars, but will be visible to the naked eye.
A graph of the angular separation between the Moon and Mercury 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 | 03h03m50s | 14°31'N | Aries | -8.6 | 30'40"2 |
| Mercury | 03h03m50s | 19°52'N | Aries | -0.4 | 7"0 |
The coordinates above are given in J2000.0. The pair will be at an angular separation of 18° from the Sun, which is in Aries at this time of year.
The sky on 2 Oct 2024
| The sky on 2 October 2024 | ||||||||||||||||||||||||||||||||||
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0% 29 days old |
All times shown in EDT.
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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
| 11 Feb 1996 | – Mercury at greatest elongation west |
| 22 Apr 1996 | – Mercury at highest altitude in evening sky |
| 23 Apr 1996 | – Mercury at greatest elongation east |
| 10 Jun 1996 | – Mercury at greatest elongation west |
Image credit
The Moon in conjunction with Venus and Jupiter, with the Very Large Telescope in the foreground. Image © Y. Beletsky, ESO, 2009.