Lunar occultation of Delta Scorpii

Dominic Ford, Editor
From the Lunar Occultations feed


Objects: Dschubba

The Moon will pass in front of Delta Scorpii (Dschubba), creating a lunar occultation visible from the Americas. 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 Jacksonville, though it will be visible elsewhere in the Contiguous United States.

The map below shows the visibility of the occultation across the world. Separate contours show where the disappearance of Delta Scorpii (Dschubba) 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 Delta Scorpii (Dschubba) 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 08:23–10:39
Mexico 07:21–08:42
Peru 08:05–10:13
Colombia 07:59–09:56
Bolivia 08:38–10:38
The Contiguous United States 07:26–08:19
Venezuela 08:27–09:52
Argentina 09:07–10:29
Chile 08:50–10:15
Ecuador 07:45–09:38
Nicaragua 07:44–08:57
Honduras 07:41–08:49
Guatemala 07:36–08:45
Panama 07:53–09:12
Costa Rica 07:47–09:03
Paraguay 09:10–10:35
Belize 07:43–08:42
El Salvador 07:40–08:48
Guyana 09:16–09:54
Clipperton Island 07:27–08:27

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 Delta Scorpii (Dschubba) at the moment of the occultation will be as follows:

Object Right Ascension Declination Constellation Magnitude Angular Size
Delta Scorpii (Dschubba) 16h00m20s 22°37'S Scorpius 2.3 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
07 May 1993 14 Feb 2004 Occultations of Delta Scorpii (Dschubba) 08 Apr 2004 04 Sep 2011
17 Jul 2003 26 Feb 2004 Occultations 15 Mar 2004 09 Nov 2004

The sky on 24 Nov 2024

The sky on 24 November 2024
Sunrise
06:57
Sunset
17:26
Twilight ends
18:50
Twilight begins
05:33


Waning Crescent

27%

23 days old

Planets
Rise Culm. Set
Mercury 08:35 13:35 18:34
Venus 10:16 15:15 20:15
Moon 01:06 07:30 13:46
Mars 21:46 04:42 11:37
Jupiter 18:20 01:18 08:16
Saturn 13:25 19:07 00:49
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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