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

Lunar occultation of Beta1 Scorpii

Dominic Ford, Editor
From the Lunar Occultations feed

Objects: Acrab

The Moon will pass in front of Beta1 Scorpii (Acrab), creating a lunar occultation visible from Europe and Northern 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 Fairfield.

The map below shows the visibility of the occultation across the world. Separate contours show where the disappearance of Beta1 Scorpii (Acrab) 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 Beta1 Scorpii (Acrab) 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)
Algeria 04:30–06:01
France 04:19–05:58
Spain 04:13–05:50
Morocco 04:23–05:35
Great Britain 04:17–05:45
Germany 04:35–05:59
Ireland 04:13–05:33
Portugal 04:14–05:30
Norway 04:33–05:51
Italy 04:37–06:02
Netherlands 04:31–05:53
Switzerland 04:36–06:00
Belgium 04:30–05:53
Northern Ireland 04:16–05:34
Corsica 04:42–06:02
Tunisia 04:47–06:01
Mallorca 04:33–05:50
Luxembourg 04:35–05:54
Shetland 04:26–05:39
Denmark 04:37–05:54
The Portuguese Azores 04:09–04:33
Orkney 04:24–05:38
Menorca 04:35–05:52
Isle of Man 04:20–05:36
Ibiza 04:31–05:46
Andorra 04:29–05:47
Jersey 04:22–05:39
Guernsey 04:22–05:39
Melilla 04:28–05:33
Gibraltar 04:23–05:27
Monaco 04:39–05:57
Madeira 04:24–04:45
Isla de Alborán 04:27–05:33
Islas Chafarinas 04:29–05:34

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 Beta1 Scorpii (Acrab) at the moment of the occultation will be as follows:

Object Right Ascension Declination Constellation Magnitude Angular Size
Beta1 Scorpii (Acrab) 16h05m20s 19°48'S Scorpius 2.6 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
09 Jan 2032 05 Feb 2032 Occultations of Beta1 Scorpii (Acrab) 31 Mar 2032 31 Mar 2032
01 Mar 2032 01 Mar 2032 Occultations 28 Mar 2032 28 Mar 2032

The sky on 4 Mar 2032

The sky on 4 March 2032
Sunrise
06:19
Sunset
17:46
Twilight ends
19:18
Twilight begins
04:48

22-day old moon
Waning Gibbous

53%

22 days old

Planets
Rise Culm. Set
Mercury 06:48 13:01 19:14
Venus 05:28 10:37 15:45
Moon 00:23 05:19 10:12
Mars 07:43 14:13 20:43
Jupiter 04:00 08:44 13:27
Saturn 10:35 17:59 01:22
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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41.14°N
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