MERCURY

Mercury as Summer Morning Star

Panorama of the eastern sky with Mercury and the Moon as seen from Chicagoland 30 minutes before sunrise from 2014 JUN 29 to AUG 03 - See article below.

Mercury - Elongations & Altitudes - 2014

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

Mercury 01 Mercury 07 Mercury 06 Mercury 08

                    SUMMER MORNING APPARITION OF MERCURY


Mercury began this morning apparition following its inferior conjunction between Earth and Sun on 2014 JUN 19. This is a moderately good apparition for northern hemisphere observers.


   Mercury resumed apparent direct motion on JUL 01. Its greatest western elongation was reached on JUL 12 at 20.9°. By the standard of 30 minutes before sunrise, it attained its highest altitude of 8.9° for Chicagoland observers on JUL 17. That same morning it appeared in dichotomy (50% illuminated like a Half Moon). Before then it appeared as a crescent and afterward as gibbous. While increasing in brightness, it will fall to superior conjunction behind the Sun on AUG 08.


   Mercury will appear near Pollux on JUL 29. The Moon will appear to pass near Mercury on JUL 25.


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


© Curt Renz


Mercury Angular Diameter - 2014

Graph of the apparent angular diameter of Mercury measured in arcseconds  -  Distance in AU = 6.68 / angular diameter

Mercury Illumination Phase - 2014

Graph of the percentage of Mercury’s apparent disk illuminated

Mercury Stellar Magnitude - 2014

Graph of the brightness of Mercury measured in stellar magnitude

Mercury 04

Transit of Mercury - 2016 MAY 09

Preview of the apparent path of Mercury across the Sun in horizontal (alt-az) coordinates as viewed from Chicago on 2016 MAY 09

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Tran 08

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