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Close approach of the Moon and Saturn

Dominic Ford, Editor
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The sky at

The Moon and Saturn will make a close approach, passing within 2°45' of each other. The Moon will be 6 days old.

From Fairfield, the pair will become visible around 19:15 (EST) as the dusk sky fades, 22° above your south-western horizon. They will then sink towards the horizon, setting 2 hours and 54 minutes after the Sun at 21:51.

Begin typing the name of a town near to you, and then select the town from the list of options which appear below.

The Moon will be at mag -11.2, and Saturn at mag 0.4, both in the constellation Libra.

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

Object Right Ascension Declination Constellation Magnitude Angular Size
The Moon 15h54m00s -15°38' Libra -11.2 30'01"7
Saturn 15h52m10s -18°22' Libra 0.4 15"9

The coordinates above are given in J2000.0. The pair will be at an angular separation of 64° from the Sun, which is in Virgo at this time of year.

The sky on 18 September 2015
Sunrise
06:35
Sunset
18:57
Twilight ends
20:30
Twilight begins
05:02

5-day old moon
Waxing Crescent

28%

5 days old

Planets
Rise Culm. Set
Mercury 08:26 13:55 19:23
Venus 03:33 10:15 16:57
Moon 11:33 16:43 21:52
Mars 04:03 10:57 17:51
Jupiter 05:07 11:44 18:20
Saturn 11:59 16:55 21:51
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

22 May 2015  –  Saturn at opposition
03 Jun 2016  –  Saturn at opposition
15 Jun 2017  –  Saturn at opposition
27 Jun 2018  –  Saturn at opposition

Image credit

None available.

Fairfield

Latitude:
Longitude:
Timezone:

41.14°N
73.26°W
EST

Color scheme