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 a mere 9.4 arcminutes of each other. From some parts of the world, the Moon will pass in front of Saturn, creating a lunar occultation. The Moon will be 23 days old.

From Cambridge , the pair will be visible in the dawn sky, rising at 01:10 (EDT) – 3 hours and 58 minutes before the Sun – and reaching an altitude of 34° above the south-eastern horizon before fading from view as dawn breaks at around 04:26.

The Moon will be at mag -11.7; and Saturn will be at mag 0.5. Both objects will lie in the constellation Pisces.

They 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.

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 01h15m00s 5°31'N Pisces -11.7 31'58"2
Saturn 01h15m10s 5°22'N Pisces 0.5 17"3

The coordinates above are given in J2000.0. The pair will be at an angular separation of 77° from the Sun, which is in Gemini at this time of year.

The sky on 17 Jul 2024

The sky on 17 July 2024
Sunrise
05:20
Sunset
20:17
Twilight ends
22:22
Twilight begins
03:14


Waxing Gibbous

86%

12 days old

Planets
Rise Culm. Set
Mercury 07:39 14:36 21:32
Venus 06:19 13:39 20:59
Moon 17:18 21:41 01:58
Mars 01:26 08:42 15:58
Jupiter 02:12 09:40 17:08
Saturn 22:43 04:23 10:03
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.

Related news

03 Dec 1996  –  Saturn ends retrograde motion
01 Aug 1997  –  Saturn enters retrograde motion
10 Oct 1997  –  Saturn at opposition
16 Dec 1997  –  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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