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Close approach of Mars and M22

Dominic Ford, Editor
From the Appulses feed

Tags: Appulse
Objects: M22 Mars
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The sky at

Mars and M22 will make a close approach, passing within 0°45' of each other.

From Fairfield, the pair will be difficult to observe as they will appear no higher than 19° above the horizon. They will become visible around 17:23 (EDT) as the dusk sky fades, 19° above your south-western horizon. They will then sink towards the horizon, setting 3 hours and 17 minutes after the Sun at 19:59.

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 0.9; and M22 will be at mag 5.2. Both objects will lie in the constellation Sagittarius.

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

A graph of the angular separation between Mars and M22 around the time of closest approach is available here.

The positions of the pair at the moment of closest approach will be as follows:

Object Right Ascension Declination Constellation Magnitude Angular Size
Mars 18h36m30s -24°39' Sagittarius 0.9 5"4
M22 18h36m20s -23°54' Sagittarius 5.2 24'00"0

The coordinates above are given in J2000.0. The pair will be at an angular separation of 54° from the Sun, which is in Libra at this time of year.

The sky on 06 November 2014
Twilight ends
Twilight begins

14-day old moon
Waxing Gibbous


14 days old

Rise Culm. Set
Mercury 04:58 10:32 16:06
Venus 06:46 11:50 16:54
Moon 16:58 23:53 05:43
Mars 10:57 15:26 19:55
Jupiter 23:23 06:25 13:23
Saturn 07:19 12:20 17:22
All times shown in EST.


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.

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