Venus will reach half phase in its 2119 morning apparition. It will be shining brightly at mag -4.3.
From Fairfield , this apparition will be exceptionally well placed and prominent, reaching a peak altitude of 42° above the horizon at sunrise on 1 Oct 2119.
2119 morning apparition of Venus
| 17 Jul 2119 | – | Venus at inferior solar conjunction |
| 22 Aug 2119 | – | Venus at greatest brightness |
| 25 Sep 2119 | – | Venus at dichotomy |
| 26 Sep 2119 | – | Venus at greatest elongation west |
| 01 Oct 2119 | – | Venus at highest altitude in morning sky |
| 08 May 2120 | – | Venus at superior solar conjunction |
A graph of the phase of Venus is available here.
Apparitions of Venus
| 30 Sep 2117 | – | Evening apparition |
| 20 Feb 2118 | – | Morning apparition |
| 08 May 2119 | – | Evening apparition |
| 26 Sep 2119 | – | Morning apparition |
| 13 Dec 2120 | – | Evening apparition |
| 04 May 2121 | – | Morning apparition |
| 18 Jul 2122 | – | 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 phase
Venus's 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 shows an intermediate half phase – called dichotomy – at roughly the same moment that it appears furthest from the Sun, at greatest elongation. The exact times of the two events may differ by a few days, only because Venus's orbit is not quite perfectly aligned with the ecliptic.
Venus's position
The coordinates of Venus when it reaches dichotomy will be:
| Object | Right Ascension | Declination | Constellation | Angular Size |
| Venus | 09h05m00s | 14°43'N | Cancer | 24.0" |
| Sun | 12h01m | 0°10'S | Virgo | 31'52" |
The coordinates above are given in J2000.0.
The sky on 22 Nov 2024
| The sky on 22 November 2024 | ||||||||||||||||||||||||||||||||||
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53% 21 days old |
All times shown in EST.
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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
| 08 May 2119 | – Venus at greatest elongation east |
| 26 Sep 2119 | – Venus at greatest elongation west |
| 01 Oct 2119 | – Venus at highest altitude in morning sky |
| 13 Dec 2120 | – Venus at greatest elongation east |
Image credit
© NASA/Ricardo Nunes