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Conjunction of Mercury and Uranus

Dominic Ford, Editor
From the Conjunctions feed

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The sky at

Mercury and Uranus will share the same right ascension, with Mercury passing 2°13' to the south of Uranus.

From Ashburn 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 dawn.

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Mercury will be at mag 1.3, and Uranus at mag 5.9, both in the constellation Pisces.

The pair will be too widely separated to fit within the field of view of a telescope, but will be visible through a pair of binoculars.

A graph of the angular separation between Mercury and Uranus 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
Mercury 01h35m30s +07°07' Pisces 1.3 9"9
Uranus 01h35m30s +09°21' Pisces 5.9 3"3

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

The sky on 07 May 2017
Twilight ends
Twilight begins

11-day old moon
Waxing Gibbous


11 days old

Rise Culm. Set
Mercury 05:17 11:43 18:09
Venus 04:15 10:25 16:35
Moon 17:20 23:13 04:36
Mars 07:22 14:45 22:08
Jupiter 17:13 23:02 04:55
Saturn 23:04 03:55 08:42
All times shown in EDT.


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

14 Apr 2017  –  Uranus at solar conjunction
19 Oct 2017  –  Uranus at opposition
18 Apr 2018  –  Uranus at solar conjunction
23 Oct 2018  –  Uranus at opposition

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