Close approach of the Moon and Saturn

Dominic Ford, Editor
From the Appulses feed

Tags: Appulse

The Moon and Saturn will make a close approach, passing within 3°47' of each other. The Moon will be 17 days old.

From Fairfield , the pair will be visible in the morning sky, becoming accessible around 19:33, when they reach an altitude of 9° above your eastern horizon. They will then reach their highest point in the sky at 01:52, 68° above your southern horizon. They will be lost to dawn twilight around 06:46, 24° above your western horizon.

The Moon will be at mag -12.7; and Saturn will be at mag -0.3. Both objects will lie in the constellation Cancer.

They 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.

At around the same time, the pair will also share the same right ascension – called a conjunction.

A graph of the angular separation between the Moon and Saturn 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
The Moon 08h20m30s 15°58'N Cancer -12.7 32'37"1
Saturn 08h23m10s 19°42'N Cancer -0.3 20"2

The coordinates above are given in J2000.0. The pair will be at an angular separation of 151° from the Sun, which is in Sagittarius at this time of year.

The sky on 27 Dec 2034

The sky on 27 December 2034
Sunrise
07:14
Sunset
16:29
Twilight ends
18:09
Twilight begins
05:34


Waning Gibbous

90%

17 days old

Planets
Rise Culm. Set
Mercury 08:22 12:53 17:24
Venus 03:25 08:37 13:49
Moon 18:28 01:41 08:49
Mars 03:37 08:38 13:39
Jupiter 11:41 17:47 23:52
Saturn 18:36 01:52 09:09
All times shown in EST.

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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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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