This is the companion Web Site of Bob Moler's Ephemeris radio program, which is broadcast Monday Through Friday on Interlochen Public Radio Stations. Interlochen Public Radio serves northwestern lower Michigan. The first Ephemeris program was broadcast June 1, 1975.
Click on the above link for live streaming audio from IPR. Or download the Interlochen Public Radio app from the Apple App Store or Google Play.
Bob Moler's Ephemeris Blog contains scripts and illustrations for the Ephemeris programs. They are generally released at 12:01 a.m. Eastern Time on the program play date.
NASA/JPL Solar System Ambassador
Contact me at the email address at the bottom of this page to discuss star parties and presentations for schools, scout groups, and non-profit organizations in person or via Zoom.
That being said, opinions expressed on this website are my own and not that of NASA or JPL
Ephemeris Radio Schedule Monday - Friday
WIAA 88.7 FM Caberfae
W234BU 94.7 FM Traverse City
WLNM 89.7 FM Manistee, Ludington
Note that scripts for the programs plus illustrations and additional information are art of my Ephemeris blog, which can be clicked on above.
On my sites – articles of interest for this month
* Posted on my Ephemeris Blog
Planetary Highlights for September 2022 (ET)
Date Time Event Sep 1 Th Venus: 13.6° W 1 Th 5:12 pm Moon Descending Node 3 Sa 10:56 am Moon-Antares: 2.6° S 3 Sa 2:08 pm First Quarter 5 Mo 9:56 am Moon South Dec.: 27.2° S 6 Tu 5:30 pm Mars-Aldebaran: 4.3° N 7 We 2:17 pm Moon Perigee: 364,500 km 8 Th 6:31 am Moon-Saturn: 3.9° N 10 Sa 5:59 am Full Harvest Moon, also supermoon 11 Su 11:11 am Moon-Jupiter: 1.9° N 14 We 10:49 am Moon Ascending Node 15 Th 2:50 pm Moon-Pleiades: 3.1° N 16 Fr 5:03 pm Neptune Opposition 16 Fr 9:41 pm Moon-Mars: 4° S 17 Sa 5:52 pm Last Quarter 18 Su 6:10 pm Moon North Dec.: 27.3° N 19 Mo 10:44 am Moon Apogee: 404600 km 20 Tu 3:40 am Moon-Pollux: 2.1° N 22 Th 9:04 pm Autumnal Equinox 23 Fr 2:47 am Mercury Inferior Conj. 25 Su 5:54 pm New Moon 26 Mo 2:03 pm Jupiter Opposition 28 We 7:43 pm Moon Descending Node 30 Fr 4:20 pm Moon-Antares: 2.4° S Oct 1 Sa Venus: 5.8° W
All event times are given for UTC-4:00: Eastern Daylight Time
Events Calendar by Fred Espenak and Sumit Dutta (NASA’s
If you go to the above site you can print out a list like the above for the entire year or calendar pages for your time zone.
Note that the site is now kept up for archival purposes. Fred Espenak retired from NASA several years ago and has his own site, AstroPixels, which contain much the same information: http://astropixels.com/almanac/almanac.html. However, he doesn’t adjust for Daylight Saving Time.
Years on the Internet: 27