Events for September 2013

The following table gives the date and time of important astronomical events for September 2013. The time of each event is given in Greenwich Mean Time or GMT (a.k.a. Universal Time or UT). To convert GMT to Eastern Standard Time (EST) just subtract 5 hours. To convert GMT to other time zones, visit Time Zones. Some of the astronomical terms used in the calendar are explained in Definitions.

 Date    GMT   Astronomical Events for September 2013
------  -----  --------------------------------------------
        (h:m)
Sep 05  11:36  NEW MOON 
Sep 06  00:37  Venus 1.5°N of Spica
Sep 08  10:00  Mars 0.5°S of Beehive
Sep 08  14:11  Spica 0.8°S of Moon
Sep 08  21:04  Venus 0.4°N of Moon: Occultation
Sep 09  17:29  Moon at Ascending Node 
Sep 09  17:29  Saturn 2.3°N of Moon
Sep 12  17:08  FIRST QUARTER MOON 
Sep 15  16:34  Moon at Perigee: 367388 km
Sep 19  11:13  FULL MOON 
Sep 22  13:48  Moon at Descending Node 
Sep 22  20:44  Autumnal Equinox 
Sep 24  22:29  Mercury 0.7°N of Spica
Sep 25  03:39  Aldebaran 2.7°S of Moon
Sep 27  03:56  LAST QUARTER MOON 
Sep 27  18:17  Moon at Apogee: 404309 km
Sep 28  09:05  Jupiter 4.9°N of Moon

As the events above transpire, I will post photographs of some of them at Recent Images.

Astronomical events calendars for complete years and for five time zones are available through the links below.

Time Zones Calendars of Astronomical Events
Greenwich Mean Time 2013 2014 2015 2016 2017 2018 2019 2020
Eastern Standard Time 2013 2014 2015 2016 2017 2018 2019 2020
Central Standard Time 2013 2014 2015 2016 2017 2018 2019 2020
Mountain Standard Time 2013 2014 2015 2016 2017 2018 2019 2020
Pacific Standard Time 2013 2014 2015 2016 2017 2018 2019 2020

For additional years and time zones, see Calendars of Astronomical Events.

The sky events tables were all generated by a computer program I wrote (with THINK Pascal running on a Macintosh G4) using Astronomical Algorithms (Jean Meeus).

Fred Espenak