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 Africa and Southern Europe. 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.

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.

[Unable to display this video because your browser does not support HTML5]
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)
Mauritania 19:30–20:42
Mali 19:40–20:40
Algeria 19:38–20:43
Morocco 19:35–20:43
Western Sahara 19:30–20:42
Senegal 19:31–20:29
Spain 19:41–20:41
Portugal 19:41–20:40
Guinea 19:44–20:15
Guinea-Bissau 19:37–20:17
The Canary Islands 19:31–20:42
Gambia 19:35–20:21
Cape Verde 19:17–20:30
The Portuguese Azores 19:43–20:24
Melilla 19:41–20:39
Gibraltar 19:41–20:41
Madeira 19:36–20:39
The Savage Islands 19:34–20:41
Isla de Alborán 19:41–20:38
Islas Chafarinas 19:41–20:36

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 21h44m50s 14°55'S Capricornus 0.7 0'15"

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
24 Jul 2075 06 Dec 2081 Occultations of Saturn 16 Jun 2088 31 Oct 2088
18 Mar 2081 28 Dec 2081 Occultations 12 Jan 2082 17 Jan 2082

The sky on 3 Jul 2024

The sky on 3 July 2024
Sunrise
06:05
Sunset
21:04
Twilight ends
23:05
Twilight begins
04:03


Waning Crescent

4%

27 days old

Planets
Rise Culm. Set
Mercury 07:39 14:59 22:20
Venus 06:42 14:09 21:35
Moon 03:32 11:27 19:30
Mars 02:45 09:45 16:44
Jupiter 03:52 11:10 18:29
Saturn 00:25 06:07 11:49
All times shown in EDT.

Warning

Never attempt to point a pair of binoculars or a telescope at an object close to the Sun. Doing so may result in immediate and permanent blindness.

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

24 Oct 2081  –  Saturn ends retrograde motion
19 Jun 2082  –  Saturn enters retrograde motion
28 Aug 2082  –  Saturn at opposition
05 Nov 2082  –  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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