The Moon and Mercury will share the same right ascension, with the Moon passing 2°46' to the south of Mercury. The Moon will be 2 days old.
From South El Monte , the pair will be difficult to observe as they will appear no higher than 9° above the horizon. They will become visible at around 16:58 (PDT), 9° above your south-western horizon, as dusk fades to darkness. They will then sink towards the horizon, setting 1 hour and 23 minutes after the Sun at 18:00.
The Moon will be at mag -8.9, and Mercury at mag -0.6, 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 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 | 18h59m00s | 27°31'S | Sagittarius | -8.9 | 30'49"3 |
| Mercury | 18h59m00s | 24°44'S | Sagittarius | -0.6 | 6"3 |
The coordinates above are given in J2000.0. The pair will be at an angular separation of 20° from the Sun, which is in Ophiuchus at this time of year.
The sky on 12 Jul 2026
| The sky on 12 July 2026 | ||||||||||||||||||||||||||||||||||
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1% 28 days old |
All times shown in PDT.
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Source
The circumstances of this event were computed using the DE440 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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Image credit
The Moon in conjunction with Venus and Jupiter, with the Very Large Telescope in the foreground. Image © Y. Beletsky, ESO, 2009.