Conjunction of the Moon and Mercury

Dominic Ford, Editor
From the Conjunctions feed


The Moon and Mercury will share the same right ascension, with the Moon passing 2°35' to the north of Mercury. The Moon will be 28 days old.

From South El Monte , the pair will be visible in the dawn sky, rising at 05:02 (PDT) – 1 hour and 44 minutes before the Sun – and reaching an altitude of 13° above the south-eastern horizon before fading from view as dawn breaks at around 06:22.

The Moon will be at mag -9.2, and Mercury at mag -0.4, both in the constellation Scorpius.

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 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 16h15m00s 16°12'S Scorpius -9.2 32'00"5
Mercury 16h15m00s 18°48'S Scorpius -0.4 6"9

The coordinates above are given in J2000.0. The pair will be at an angular separation of 22° from the Sun, which is in Sagittarius at this time of year.

The sky on 9 May 2026

The sky on 9 May 2026
Sunrise
05:52
Sunset
19:41
Twilight ends
21:17
Twilight begins
04:17


Waning Crescent

41%

23 days old

Planets
Rise Culm. Set
Mercury 05:40 12:25 19:10
Venus 07:37 14:50 22:04
Moon 01:43 06:55 12:12
Mars 04:42 11:07 17:31
Jupiter 09:59 17:07 00:14
Saturn 04:13 10:21 16:29
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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04 Mar 2091  –  Mercury at greatest elongation east

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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