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

Lunar occultation of Venus

Dominic Ford, Editor
From the Lunar Occultations feed

Objects: Venus

The Moon will pass in front of Venus, creating a lunar occultation visible from countries and territories including Antarctica, South Africa, Tanzania and Mozambique amongst others. 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 Venus 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 Venus 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 Venus.

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)
Antarctica 08:33–10:29
South Africa 06:42–07:56
Tanzania 06:17–07:31
Mozambique 06:23–07:53
Zambia 06:20–07:37
Democratic Republic of the Congo 06:18–07:31
Madagascar 06:28–08:05
Botswana 06:35–07:46
Kenya 06:17–07:16
Namibia 06:34–07:45
Zimbabwe 06:30–07:45
Angola 06:33–07:35
Uganda 06:17–07:10
Somalia 06:19–07:08
Malawi 06:21–07:39
Ethiopia 06:24–06:49
Sudan 06:20–06:54
Burundi 06:17–07:16
Rwanda 06:17–07:13
Swaziland 06:50–07:53
French Southern Territories 07:43–09:28
Mauritius 06:46–08:05
Reunion 06:45–08:06
Seychelles 06:24–07:30
Comoros 06:25–07:36
Heard Island and McDonald Islands 08:12–09:38
Mayotte 06:26–07:37
Macquarie Island 09:44–10:39
Lesotho 06:59–07:51

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 Venus at the moment of the occultation will be as follows:

Object Right Ascension Declination Constellation Magnitude Angular Size
Venus 13h31m30s 10°03'S Virgo -4.0 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
17 Jul 2001 08 Aug 2005 Occultations of Venus 24 Apr 2006 18 Jun 2007
18 Jul 2005 28 Aug 2005 Occultations 10 Sep 2005 25 Dec 2005

The sky on 28 Sep 2024

The sky on 28 September 2024
Sunrise
06:44
Sunset
18:39
Twilight ends
20:11
Twilight begins
05:12

25-day old moon
Waning Crescent

9%

25 days old

Planets
Rise Culm. Set
Mercury 06:35 12:37 18:40
Venus 09:23 14:37 19:50
Moon 02:26 09:54 17:11
Mars 23:48 07:19 14:51
Jupiter 22:14 05:42 13:10
Saturn 17:50 23:24 04:58
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

05 Sep 2004  –  Venus at highest altitude in morning sky
03 Nov 2005  –  Venus at greatest elongation east
11 Dec 2005  –  Venus at highest altitude in evening sky
21 Feb 2006  –  Venus at highest altitude in morning sky

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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