Bob Moler's Ephemeris Blog

Ephemeris for Friday, October 11th.  The sun will rise at 7:53.  It’ll be up for 11 hours and 11 minutes, setting at 7:04.   The moon, at first quarter today, will set at 12:41 tomorrow morning.

Tomorrow night the Grand Traverse Astronomical Society (GTAS) and the NMC Astronomy Club will split forces.  The NMC Astronomy Club will host the Star party at the Northwestern Michigan College’s Observatory starting at 9 p.m., while the Sidewalk Astronomers contingent of the GTAS will be on the north side 200 block of Front Street in Traverse City, in front of the Orvis Streamside store, for the International Observe the Moon Night weather permitting.  Weather permitting means it must not be completely overcast or raining.  I like to view the moon at this phase, a day after first quarter for the variety of detail that’s visible on the moon’s surface.  This is our usual location for Friday Night Live.

Times are for the Traverse City/Interlochen area of Michigan.  They may be different for your location.

Addendum

Map supplied by the International Observe the Moon Night. The crater marked Plato should be Archimedes. It’s actually the moon in the afternoon our time.

The moon at 9 p.m. October 12, 2013. The terminator progresses a bit more from the above moon chart revealing more details. Created using Virtual Moon Atlas.