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Conjunction of Venus and Mars

Dominic Ford, Editor
From the Conjunctions feed

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The sky at

Venus and Mars will share the same right ascension, with Venus passing 0°13' to the north of Mars.

At around the same time, the two objects will also make a close approach, technically called an appulse.

From Fairfield, the pair will be difficult to observe as they will appear no higher than 18° above the horizon. They will be visible in the dawn sky, rising at 04:54 (EST) – 2 hours and 1 minute before the Sun – and reaching an altitude of 18° above the eastern horizon before fading from view as dawn breaks around 06:36.

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Venus will be at mag -3.9, and Mars at mag 1.8, both in the constellation Leo.

The pair will be close enough to fit within the field of view of a telescope, but will also be visible to the naked eye or through a pair of binoculars.

A graph of the angular separation between Venus and Mars 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
Venus 11h20m50s +05°41' Leo -3.9 11"0
Mars 11h20m50s +05°28' Leo 1.8 3"6

The coordinates above are given in J2000.0. The pair will be at an angular separation of 23° from the Sun, which is in Virgo at this time of year.

The sky on 05 October 2017
Sunrise
06:54
Sunset
18:28
Twilight ends
20:00
Twilight begins
05:22

15-day old moon
Waxing Gibbous

99%

15 days old

Planets
Rise Culm. Set
Mercury 06:40 12:34 18:28
Venus 04:54 11:17 17:40
Moon 18:55 00:18 06:15
Mars 04:55 11:17 17:39
Jupiter 08:16 13:44 19:11
Saturn 12:41 17:21 22:02
All times shown in EDT.

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

05 Aug 2017  –  Mars at apogee
07 Oct 2017  –  Mars at aphelion
27 Jul 2018  –  Mars at opposition
31 Jul 2018  –  Mars at perigee

Image credit

None available.

Fairfield

Latitude:
Longitude:
Timezone:

41.14°N
73.26°W
EST

Color scheme