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 Africa, South America, Southern Europe and Western Asia. 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 Fairfield.

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)
Algeria 23:27–01:07
Sudan 00:14–01:14
Libya 23:58–01:13
Chad 00:05–01:14
Mali 23:29–01:02
Niger 23:55–01:11
Brazil 21:16–22:42
Mauritania 23:08–00:51
Egypt 00:13–01:11
Nigeria 00:03–01:07
Venezuela 21:14–22:37
Central African Republic 00:22–01:11
Morocco 23:19–00:47
Spain 23:40–00:36
Western Sahara 23:08–00:45
Burkina Faso 23:51–00:53
Guyana 21:21–22:38
Senegal 23:13–00:31
Tunisia 23:58–00:58
Guinea 23:31–00:31
Saudi Arabia 00:19–01:06
Suriname 21:24–22:42
Cameroon 00:14–01:07
Democratic Republic of the Congo 00:34–01:04
Portugal 23:37–00:29
Jordan 00:21–00:59
French Guiana 21:31–22:43
Benin 00:05–00:53
Ghana 00:03–00:44
Italy 00:09–00:44
Ivory Coast 23:57–00:31
Dominican Republic 21:32–22:27
Guinea-Bissau 23:24–00:22
Greece 00:19–00:48
Syria 00:26–00:49
Togo 00:05–00:45
Israel 00:21–00:59
Haiti 21:34–22:21
The Canary Islands 23:07–00:36
Gambia 23:19–00:24
Puerto Rico 21:34–22:33
Lebanon 00:27–00:48
Cape Verde 22:46–00:13
Trinidad and Tobago 21:23–22:40
Sierra Leone 23:50–00:11
Mallorca 00:01–00:31
Cyprus 00:29–00:43
Palestinian Territory 00:23–00:54
The Portuguese Azores 23:12–23:57
Guadeloupe 21:32–22:42
Saint Vincent and the Grenadines 21:27–22:40
Turks and Caicos Islands 21:44–22:19
Menorca 00:06–00:28
Barbados 21:29–22:43
British Virgin Islands 21:36–22:36
Martinique 21:30–22:42
Curacao 21:21–22:26
Saint Kitts and Nevis 21:34–22:40
Saint Lucia 21:29–22:41
U.S. Virgin Islands 21:34–22:36
Ibiza 23:57–00:32
Antigua and Barbuda 21:34–22:41
Dominica 21:31–22:41
Malta 00:10–00:46
Anguilla 21:36–22:39
Bonaire, Saint Eustatius and Saba 21:22–22:38
Grenada 21:26–22:39
Melilla 23:43–00:39
Gibraltar 23:41–00:34
Montserrat 21:33–22:40
Aruba 21:22–22:24
Sint Maarten 21:35–22:39
Saint Barthelemy 21:35–22:39
Saint Martin 21:36–22:38
Madeira 23:17–00:25
The Savage Islands 23:13–00:30
Isla de Alborán 23:44–00:37
Islas Chafarinas 23:44–00:40
RAF Akrotiri 00:29–00:42
Colombia 21:15–22:23

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 03h12m10s 15°27'N Aries -0.2 0'19"

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
31 Oct 2088 27 Nov 2088 Occultations of Saturn 21 Jan 2089 16 Sep 2093
09 Dec 2088 09 Dec 2088 Occultations 06 Jan 2089 02 Feb 2089

The sky on 3 Jul 2024

The sky on 3 July 2024
Sunrise
05:22
Sunset
20:28
Twilight ends
22:35
Twilight begins
03:15

27-day old moon
Waning Crescent

3%

27 days old

Planets
Rise Culm. Set
Mercury 06:57 14:20 21:44
Venus 06:00 13:30 21:00
Moon 02:47 10:46 18:54
Mars 02:04 09:06 16:08
Jupiter 03:09 10:31 17:53
Saturn 23:46 05:28 11:09
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

15 Nov 2088  –  Saturn at opposition
20 Jan 2089  –  Saturn ends retrograde motion
22 Sep 2089  –  Saturn enters retrograde motion
29 Nov 2089  –  Saturn at opposition

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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41.14°N
73.26°W
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