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Conjunction of Mars and Mercury

Dominic Ford, Editor
From the Conjunctions feed

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The sky at

Mars and Mercury will share the same right ascension, with Mars passing 3°50' to the north of Mercury.

From Fairfield however, the pair will not be observable – they will reach their highest point in the sky during daytime and will be no higher than 0° above the horizon at dusk.

Begin typing the name of a town near to you, and then select the town from the list of options which appear below.

Mars will be at mag 1.8, and Mercury at mag 1.9, both in the constellation Cancer.

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 Mars 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
Mars 08h23m30s +20°33' Cancer 1.8 3"6
Mercury 08h23m30s +16°43' Cancer 1.9 10"5

The coordinates above are given in J2000.0. The pair will be at an angular separation of 18° from the Sun, which is in Gemini at this time of year.

The sky on 07 July 2019
Sunrise
05:27
Sunset
20:28
Twilight ends
22:33
Twilight begins
03:22

5-day old moon
Waxing Crescent

28%

5 days old

Planets
Rise Culm. Set
Mercury 07:12 14:16 21:20
Venus 04:40 12:13 19:45
Moon 11:13 17:39 00:06
Mars 06:56 14:16 21:36
Jupiter 18:10 22:50 03:34
Saturn 20:23 01:08 05:49
All times shown in EDT.

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 DE405 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

16 Sep 2018  –  Mars at perihelion
25 Aug 2019  –  Mars at aphelion
28 Aug 2019  –  Mars at apogee
02 Sep 2019  –  Mars at solar conjunction

Image credit

None available.

Fairfield

Latitude:
Longitude:
Timezone:

41.14°N
73.26°W
EDT

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