The Moon in conjunction with Venus and Jupiter, with the Very Large Telescope in the foreground. Image © Y. Beletsky, ESO, 2009.

Conjunction of the Moon and Saturn

Dominic Ford, Editor
From the Conjunctions feed

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The sky at

The Moon and Saturn will share the same right ascension, with the Moon passing 21' to the south of Saturn. The Moon will be 27 days old.

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

From Columbus , the pair will be visible in the dawn sky, rising at 03:40 (EST) – 2 hours and 33 minutes before the Sun – and reaching an altitude of 20° above the eastern horizon before fading from view as dawn breaks at around 05:41.

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The Moon will be at mag -10.0, and Saturn at mag -0.0, both in the constellation Taurus.

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 the Moon and Saturn 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 05h05m20s 21°00'N Taurus -10.0 29'31"5
Saturn 05h05m20s 21°22'N Taurus -0.0 16"8

The coordinates above are given in J2000.0. The pair will be at an angular separation of 35° from the Sun, which is in Gemini at this time of year.

The sky on 16 Jul 2031

The sky on 16 July 2031
Sunrise
06:13
Sunset
20:58
Twilight ends
22:55
Twilight begins
04:16

27-day old moon
Waning Crescent

6%

27 days old

Planets
Rise Culm. Set
Mercury 08:31 15:22 22:14
Venus 09:03 15:42 22:22
Moon 03:53 11:18 18:42
Mars 15:18 20:23 01:28
Jupiter 18:28 23:10 03:51
Saturn 03:40 11:00 18:20
All times shown in EDT.

Source

The circumstances of this event were computed using the DE430 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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01 Feb 2031  –  Saturn ends retrograde motion
05 Oct 2031  –  Saturn enters retrograde motion
11 Dec 2031  –  Saturn at opposition
16 Feb 2032  –  Saturn ends retrograde motion

Image credit

The Moon in conjunction with Venus and Jupiter, with the Very Large Telescope in the foreground. Image © Y. Beletsky, ESO, 2009.

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Columbus

Latitude:
Longitude:
Timezone:

39.96°N
83.00°W
EST

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