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.Click here for mp3 audio of the current batch of Ephemeris programs
Bob Moler's Ephemeris Blog contains transcripts and illustrations from the Ephemeris programs. They are generally released at 12:01 a.m. Eastern Time on the program play date. |
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–----- 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. –----- Opinions expressed on this website are my own and not that of NASA or JPL Ephemeris Radio Schedule Monday - Friday The Stations of Interlochen Public Radio WIAA
88.7 FM Interlochen WICV 100.9 FM East Jordan, Charlevoix WHBP 90.1 FM Harbor Springs, Petoskey Observing Weather in Northwestern Lower Michigan
On this site – articles of interest for this monthThe Scorpion Crawls Over the Horizon Sightseeing Around the Summer Triangle
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July 2017Interested in learning more? If you live in northwestern lower Michigan check out the Grand Traverse Astronomical Society. More information on visible planetary and other events are available on Bob Moler's Ephemeris Blog the day of the event. The blog contains Monday-Friday program transcripts, most with illustrations. Highlights for July 2017 (ET) Date Local Event
Time
Jul 01 Sa Venus: 43.7° W
01 Sa 3:28 am Moon-Jupiter: 2.9° S
03 Mo 8:59 pm Aphelion: 1.0167 AU
04 Tu 8:21 pm Venus-Pleiades: 6.7° S
06 Th 12:27 am Moon Apogee: 405900 km
06 Th 11:34 pm Moon-Saturn: 3.6° S
08 Sa 6:49 am Moon South Dec.: 19.4° S
09 Su 12:07 am Full Moon
09 Su 9:33 pm Mercury-Beehive: 0.1° N
12 We 1:17 am Moon Descending Node
13 Th 2:06 pm Venus-Aldebaran: 3.1° N
16 Su 3:26 pm Last Quarter
19 We 7:37 pm Moon-Aldebaran: 0.4° S
20 Th 7:13 am Moon-Venus: 2.7° N
21 Fr 1:09 pm Moon Perigee: 361200 km
21 Fr 6:11 pm Moon North Dec.: 19.4° N
23 Su 5:46 am New Moon
24 Mo 8:47 pm Moon Ascending Node
25 Tu 4:49 am Moon-Mercury: 0.9° S
25 Tu 6:14 am Moon-Regulus: 0°
25 Tu 1:07 pm Mercury-Regulus: 0.9° S
26 We 7:59 pm Mars Conjunction
27 Th 10:41 pm Delta Aquariid Meteor Shower: ZHR = 20
28 Fr 4:15 pm Moon-Jupiter: 3.4° S
29 Sa 11:59 pm Mercury Elongation: 27.2° E
30 Su 11:23 am First Quarter
Aug 01 Tu Venus: 38.4° W
NASA - SKYCAL - Sky Events Calendar by Fred Espenak and Sumit Dutta (NASA's GSFC) (with occasional annotations) |
Active Planetary Space MissionsWe have a new location for information on planetary space missions. It's here at the Planetary Society. The chart is created by Olaf Frohn, and is updated every month. Free SoftwareStellarium is a fabulous planetarium program with a very realistic sky and simple controls. The newest version , 0.15.3 is the current beta release. If you have an older computer download 0.12.8, which may work better for you. They've added some features in the latest version (0.15.n) and and a new rendering engine that may not be compatible with computers more than a year or two old. http://stellarium.sourceforge.net/ Cartes du Ciel (Sky Charts) is a great telescope companion. Version 4.0 came out in March 2016. You can download it from http://astrosurf.com/astropc/. Virtual Moon Atlas is a great tool for reference at the telescope or desk. http://www.astrosurf.com/avl/UK_index.html Celestia is a great 3D simulator of solar system objects and beyond. http://www.shatters.net/celestia/ Hallo Northern Sky is an interesting planetarium program. It seems not as polished as Stellarium, but has some cool features. I use it when planning star parties as a quick way to see what would be visible. http://hnsky.org/
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Years on the air: 42 Years on the Internet: 21Email: bob@bjmoler.org
Updated:
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NASA/JPL
Solar System Ambassador