Today’s Astronomical Events – September 23rd, 2014

The Inner Solar System

Autumn officially begins in the northern hemisphere at 02:30 UT. This image shows the positions of the Moon and inner planets in relation to the Earth at this time.

Images Courtesy of Mobile Observatory.



01:12 UT – Asteroid 4 Vesta is at perihelion. Distance to Sun: 2.152 AU. (Vesta: Magnitude 7.4, Libra, evening sky.)

02:30 UT – Autumn Equinox

17:54 UT – The almost new Moon passes south of Venus. (Venus: 99% illuminated, magnitude -3.9, diameter 9.8”, Leo, not visible.)



Events in bold involve objects and/or events that are easily visible with the naked eye.

All times are in Universal Time (UTC). To convert the time to your timezone, click here.


Learn more about every upcoming astronomical event in 2015 An Astronomical Year and The Astronomical Almanac (2015-2019).




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