Mercury as an Early Spring Morning Star
Panorama of the eastern sky with Mercury and the Moon as seen from Chicagoland 30 minutes before sunrise from 2020 FEB 29 to APR 15 - See table below.
Mercury - Elongations & Altitudes
The planet’s elongations from the Sun and altitudes above the horizon as viewed from latitude N 42°
Mercury Angular Diameter
Graph of the apparent angular diameter of Mercury measured in arcseconds - Distance in AU = 6.68 / angular diameter
Mercury Illumination Phase
Graph of the percentage of Mercury’s apparent disk illuminated
Mercury Stellar Magnitude
Graph of the brightness of Mercury measured in stellar magnitude
© Curt Renz
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Mercury Transits Sun
Graphics of Mercury transiting the Sun in 2019, 2032, 2039, 2049 & 2052