Events for May 2013

The following table gives the date and time of important astronomical events for May_ 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 May 2013
------  -----  --------------------------------------------
        (h:m)
May 02  11:14  LAST QUARTER MOON 
May 05  00     Eta-Aquarid Meteor Shower
May 09  19:12  Moon at Descending Node 
May 10  00:27  Annular Solar Eclipse; mag=0.954
May 10  00:29  NEW MOON 
May 11  21     Mercury at Superior Conjunction 
May 12  13:03  Jupiter 2.6°N of Moon
May 13  13:31  Moon at Apogee: 405827 km
May 16  02     Mercury at Perihelion 
May 18  04:35  FIRST QUARTER MOON 
May 18  13:14  Regulus 5.9°N of Moon
May 22  10:35  Spica 0.0°N of Moon
May 23  09:55  Saturn 3.7°N of Moon
May 24  00:40  Moon at Ascending Node 
May 25  04:11  Penumbral Lunar Eclipse; mag=0.006
May 25  04:25  FULL MOON 
May 25  11:45  Antares 6.6°S of Moon
May 26  01:45  Moon at Perigee: 358375 km
May 27  06     Mercury 2.4° of Jupiter
May 31  18:58  LAST QUARTER 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 2012 2013 2014 2015 2016 2017 2018 2019 2020
Eastern Standard Time 2012 2013 2014 2015 2016 2017 2018 2019 2020
Central Standard Time 2012 2013 2014 2015 2016 2017 2018 2019 2020
Mountain Standard Time 2012 2013 2014 2015 2016 2017 2018 2019 2020
Pacific Standard Time 2012 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