© NASA/Ricardo Nunes

Venus at greatest brightness

Dominic Ford, Editor
From the Inner Planets feed

Objects: Venus
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Venus will reach its greatest brightness in its 2061–2062 morning apparition. It will be shining brightly at mag -4.7.

From Jacksonville , this apparition will not be one of the most prominent but prominent, reaching a peak altitude of 30° above the horizon at sunrise on 9 Feb 2062.

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2061–2062 morning apparition of Venus

27 Dec 2061 – Venus at inferior solar conjunction
28 Jan 2062 – Venus at greatest brightness
09 Feb 2062 – Venus at highest altitude in morning sky
08 Mar 2062 – Venus at greatest elongation west
08 Mar 2062 – Venus at dichotomy

A graph of the brightness of Venus is available here.

Apparitions of Venus

12 Mar 2060 – Evening apparition
01 Aug 2060 – Morning apparition
17 Oct 2061 – Evening apparition
08 Mar 2062 – Morning apparition
23 May 2063 – Evening apparition
12 Oct 2063 – Morning apparition
29 Dec 2064 – Evening apparition

Observing Venus

Venus's orbit lies closer to the Sun than the Earth's, meaning that it always appears close to the Sun and is lost in the Sun's glare much of the time.

It is observable for a few months each time it reaches greatest separation from the Sun – moments referred to as greatest elongation. These apparitions repeat roughly once every 1.6 years.

On these occasions, Venus is so bright and conspicuous that it becomes the third brightest object in the sky after the Sun and Moon. It is often called the morning star or the evening star.

Venus's brightness

Venus's brightness depends on two factors: its closeness to the Earth, and its phase. Its phase varies depending on its position relative to the Earth. When it passes between the Earth and Sun, for example, the side that is turned towards the Earth is entirely unilluminated, like a new moon.

Conversely, when it lies opposite to the Earth in its orbit, passing almost behind the Sun, it appears fully illuminated, like a full moon. However, at this time it is also at its most distant from the Earth, so it is actually fainter than at other times.

Venus reaches its brightest when it is still a crescent – with less than half of its disk illuminated. This is because it is much closer to the Earth during its crescent phases than at other times.

As a result, during evening apparitions, Venus reaches maximum brightness a few days after it is at greatest separation from the Sun, which always coincides with it showing half-phase (dichotomy).

Conversely, during morning apparitions, Venus reaches maximum brightness a few days before it is at greatest separation from the Sun.

Venus's position

The coordinates of Venus when it reaches its greatest brightness will be:

Object Right Ascension Declination Constellation Angular Size
Venus 18h01m10s 17°30'S Sagittarius 42.8"
Sun 20h41m 18°17'S Capricornus 32'28"

The coordinates above are given in J2000.0.

The sky on 22 Nov 2024

The sky on 22 November 2024
Sunrise
06:56
Sunset
17:26
Twilight ends
18:50
Twilight begins
05:32

21-day old moon
Waning Crescent

46%

21 days old

Planets
Rise Culm. Set
Mercury 08:41 13:39 18:38
Venus 10:14 15:13 20:12
Moon 23:13 06:06 12:52
Mars 21:53 04:48 11:44
Jupiter 18:29 01:27 08:25
Saturn 13:33 19:15 00:56
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.

Related news

14 Nov 2061  –  Venus at highest altitude in evening sky
09 Feb 2062  –  Venus at highest altitude in morning sky
08 Mar 2062  –  Venus at greatest elongation west
11 May 2063  –  Venus at highest altitude in evening sky

Image credit

© NASA/Ricardo Nunes

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30.33°N
81.66°W
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