Venus as the 2017 Morning Star

Panorama of the eastern sky with Venus and the Moon as seen from Chicago 30 minutes before sunrise from 2017 MAR 23 to DEC 12 - See article below.

Venus - Elongations & Altitudes - 2017

The planet’s elongations from the Sun and altitudes above the horizon as viewed from latitude N 42°

Phases of Venus

Bipolar diagram illustrating the phases of Venus as viewed from Earth through a telescope while Venus orbits the Sun and laps the Earth every 1.6 years

Pentagram of Venus

Diagram of the orbits of Venus and Earth showing how the positions at six successive inferior conjunctions can be connected to draw a pentagram (five-pointed star shape)

Venus 01 Venus 02 Venus 03 Venus 04 Venus 05 Venus 06 Venus 07


Venus is presenting its apparition as the brilliant Morning Star in the eastern sky before sunrise following its inferior conjunction by right ascension between Earth and Sun on 2017 MAR 22.

    Venus resumed apparent direct motion in right ascension on 2017 APR 13. Greatest brilliance at magnitude -4.5 was expected around APR 29. Greatest Western Elongation from the Sun of 45.9° will occur on JUN 03. Through a telescope during nights around JUN 04 Venus will appear near dichotomy, i.e. 50% illuminated like a Half Moon. Prior to that it will appear as a crescent and afterward gibbous. By the standard of 30 minutes before sunrise for Chicago, Venus will achieve its highest altitude of 25.5° on AUG 04. It will then fall to superior conjunction behind the Sun on 2018 JAN 08.

   Venus will appear near other bright planets and stars on the following dates: Alcyone (Pleiades) 2017 JUL 05, Aldebaran JUL 14, Elnath JUL 25, Pollux AUG 21, Regulus SEP 20, Mars OCT 05, Spica NOV 02, Jupiter NOV 13, Antares DEC 09, Mercury DEC 15.

  The Moon will appear near Venus on 2017 JUN 20, JUL 20, AUG 19, SEP 18 (occultation), OCT 18, NOV 17, DEC 17.

NOTE: Event dates in this article are for North American Central Time at those moments nearest to 30 minutes before sunrise for Chicago.

Venus Angular Diameter - 2017

Graph of equatorial angular diameter of Venus measured in arcseconds - Distance in AU = 16.82 / angular diameter

Venus Illumination Phase - 2017

Graph of the percentage of Venus’ apparent disk illuminated

Venus Stellar Magnitude - 2017

Graph of the brightness of Venus measured in stellar magnitude

© Curt Renz


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