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

Lunar occultation of Beta Tauri

Dominic Ford, Editor
From the Lunar Occultations feed

Objects: Elnath

The Moon will pass in front of Beta Tauri (Elnath), creating a lunar occultation visible from South America, Africa and the Caribbean. 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 Cambridge.

The map below shows the visibility of the occultation across the world. Separate contours show where the disappearance of Beta Tauri (Elnath) 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 Beta Tauri (Elnath) 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.

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

Country Time span
(UTC)
Brazil 22:30–01:39
Venezuela 22:36–00:28
Colombia 22:28–00:04
Mali 01:13–02:13
Ivory Coast 01:15–02:23
Mauritania 01:05–02:02
Gabon 01:36–02:28
Guinea 01:02–02:19
Ghana 01:25–02:22
Nigeria 01:38–02:18
Guyana 22:49–00:34
Senegal 00:59–02:09
Suriname 22:55–00:43
Burkina Faso 01:25–02:13
Cameroon 01:43–02:18
Liberia 01:09–02:23
French Guiana 23:05–00:49
Sierra Leone 01:06–02:19
Republic of the Congo 01:36–02:29
Benin 01:35–02:17
Togo 01:33–02:18
Dominican Republic 23:06–23:52
Guinea-Bissau 01:00–02:11
Peru 22:29–23:51
Equatorial Guinea 01:40–02:22
Bolivia 22:45–23:44
Haiti 23:10–23:39
Gambia 01:00–02:07
Puerto Rico 23:06–00:04
Democratic Republic of the Congo 01:36–02:27
Angola 01:36–02:29
Cape Verde 00:38–01:57
Trinidad and Tobago 22:52–00:26
Guadeloupe 23:03–00:21
Sao Tome and Principe 01:35–02:26
Saint Vincent and the Grenadines 22:57–00:24
Barbados 23:00–00:29
British Virgin Islands 23:09–00:07
Martinique 23:01–00:24
Curacao 22:48–00:01
Saint Kitts and Nevis 23:06–00:16
Saint Lucia 22:59–00:25
U.S. Virgin Islands 23:06–00:08
Antigua and Barbuda 23:06–00:19
Dominica 23:02–00:22
Saint Helena 01:13–02:21
Anguilla 23:09–00:13
Western Sahara 01:24–01:30
Bonaire, Saint Eustatius and Saba 22:48–00:13
Grenada 22:55–00:23
Montserrat 23:05–00:17
Aruba 22:48–23:56
Sint Maarten 23:08–00:14
Saint Barthelemy 23:08–00:14
Saint Martin 23:09–00:12

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 Beta Tauri (Elnath) at the moment of the occultation will be as follows:

Object Right Ascension Declination Constellation Magnitude Angular Size
Beta Tauri (Elnath) 05h26m10s 28°36'N Taurus 1.7 0'00"

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
08 Sep 2099 26 Dec 2099 Occultations of Beta Tauri (Elnath) 19 Feb 2100
14 Jan 2100 14 Jan 2100 Occultations 27 Jan 2100 24 Feb 2100

The sky on 23 Nov 2024

The sky on 23 November 2024
Sunrise
06:43
Sunset
16:15
Twilight ends
17:54
Twilight begins
05:03

22-day old moon
Waning Crescent

43%

22 days old

Planets
Rise Culm. Set
Mercury 08:33 12:55 17:17
Venus 10:09 14:32 18:54
Moon 23:09 06:06 12:50
Mars 20:36 04:03 11:30
Jupiter 17:09 00:40 08:11
Saturn 12:58 18:29 23:59
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.

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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42.38°N
71.11°W
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