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

Lunar occultation of Saturn

Dominic Ford, Editor
From the Lunar Occultations feed

Objects: Saturn

The Moon will pass in front of Saturn, creating a lunar occultation visible from Sub-Saharan Africa. Although the occultation will only be visible across part of the world – because the Moon is so close to the Earth that its position in the sky varies by as much as two degrees across the world – a close conjunction between the pair will be more widely visible.

Unfortunately the occultation will not be visible from Columbus.

The map below shows the visibility of the occultation across the world. Separate contours show where the disappearance of Saturn is visible (shown in red), and where its reappearance is visible (shown in blue). Solid contours show where each event is likely to be visible through binoculars at a reasonable altitude in the sky. Dotted contours indicate where each event occurs above the horizon, but may not be visible due to the sky being too bright or the Moon being very close to the horizon.

Map showing where the occultation is visible

Outside the contours, the Moon will not pass in front of Saturn at any time, or is below the horizon at the time of the occultation. However, a close conjunction between the pair will be visible across much of the world.

The map can be downloaded in PNG , PDF or SVG format. A KMZ file , is also available, which can be opened in Google Earth to provide a higher resolution map.

The animation below shows the path of the occultation across the Earth's globe. The red circle shows where the Moon appears in front of Saturn.

You can download this video in MP4 or OGG format.

A complete list of the countries and territories where the occultation will be visible is as follows:

Country Time span
(UTC)
South Africa 18:23–19:52
Angola 18:09–19:44
Namibia 18:09–19:45
Mozambique 18:43–19:54
Zambia 18:33–19:47
Madagascar 18:54–19:56
Botswana 18:26–19:51
Zimbabwe 18:37–19:52
Democratic Republic of the Congo 18:43–19:42
Tanzania 19:01–19:44
Malawi 18:51–19:51
Swaziland 18:42–19:51
Comoros 19:04–19:49
Mayotte 19:04–19:50
Saint Helena 17:19–18:55
Seychelles 19:12–19:43
Lesotho 18:39–19:46

Lunar occultations are only ever visible from a small fraction of the Earth's surface. Since the Moon is much closer to the Earth than other celestial objects, its exact position in the sky differs depending on your exact location on Earth due to its large parallax. The position of the Moon as seen from two points on opposite sides of the Earth varies by up to two degrees, or four times the diameter of the full moon.

This means that if the Moon is aligned to pass in front of a particular object for an observer on one side of the Earth, it will appear up to two degrees away from that object on the other side of the Earth.

The position of Saturn at the moment of the occultation will be as follows:

Object Right Ascension Declination Constellation Magnitude Angular Size
Saturn 13h36m00s 7°24'S Virgo 0.5 0'16"

The coordinates above are given in J2000.0.

Next/previous occultations

« Previous Next »
Visible from the Contiguous United States Worldwide Worldwide Visible from the Contiguous United States
18 Feb 2059 05 Jul 2071 Occultations of Saturn 29 Aug 2071 03 May 2075
23 Jul 2071 23 Jul 2071 Occultations 19 Aug 2071 13 Oct 2071

The sky on 22 Nov 2024

The sky on 22 November 2024
Sunrise
07:23
Sunset
17:10
Twilight ends
18:45
Twilight begins
05:47

21-day old moon
Waning Crescent

44%

21 days old

Planets
Rise Culm. Set
Mercury 09:15 13:45 18:15
Venus 10:48 15:18 19:49
Moon 22:59 06:12 13:13
Mars 21:34 04:54 12:13
Jupiter 18:09 01:32 08:56
Saturn 13:47 19:20 00:53
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.

Related news

27 Jun 2071  –  Saturn ends retrograde motion
20 Feb 2072  –  Saturn enters retrograde motion
29 Apr 2072  –  Saturn at opposition
09 Jul 2072  –  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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