Events for October 2015

The following table gives the date and time of important astronomical events for October 2015. 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 October 2015
------  -----  --------------------------------------------
        (h:m)
Oct 02  12:51  Aldebaran 0.5°S of Moon
Oct 04  21:06  LAST QUARTER MOON 
Oct 08  20:32  Venus 0.7°N of Moon: Occultation
Oct 08  21:52  Regulus 3.3°N of Moon
Oct 09  00:26  Venus 2.5°S of Regulus
Oct 09  16:51  Mars 3.4°N of Moon
Oct 09  23:30  Jupiter 2.7°N of Moon
Oct 11  10:54  Moon at Ascending Node 
Oct 11  12:00  Mercury 1.0°N of Moon: Occultation
Oct 11  13:17  Moon at Apogee: 406389 km
Oct 12  03     Uranus at Opposition 
Oct 12  18     Mercury at Perihelion 
Oct 13  00:06  NEW MOON 
Oct 16  03     Mercury at Greatest Elongation: 18.1°W
Oct 16  13:20  Saturn 3.0°S of Moon
Oct 20  20:31  FIRST QUARTER MOON 
Oct 21  23     Orionid Meteor Shower
Oct 25  07:36  Moon at Descending Node 
Oct 26  07     Venus at Greatest Elongation: 46.4°W
Oct 26  12:59  Moon at Perigee: 358464 km
Oct 27  12:05  FULL MOON 
Oct 29  22:45  Aldebaran 0.6°S 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 eight time zones are available through the links below.

Time Zones Calendars of Astronomical Events
Greenwich Mean Time 2015 2016 2017 2018 2019 2020
Atlantic Standard Time 2015 2016 2017 2018 2019 2020
Eastern Standard Time 2015 2016 2017 2018 2019 2020
Central Standard Time 2015 2016 2017 2018 2019 2020
Mountain Standard Time 2015 2016 2017 2018 2019 2020
Pacific Standard Time 2015 2016 2017 2018 2019 2020
Alaska Standard Time 2015 2016 2017 2018 2019 2020
Hawaii Standard Time 2015 2016 2017 2018 2019 2020

For additional years, see Calendars of Astronomical Events.

For detailed information on solar and lunar eclipses this year, see: Eclipses During 2015.

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

Fred Espenak