Home > Ephemeris Program, The Moon > 06/13/2013 – Ephemeris – The moon tonight and the crater Theophilus

06/13/2013 – Ephemeris – The moon tonight and the crater Theophilus

June 13, 2013

Ephemeris for Thursday, June 13th.  Today the sun will be up for 15 hours and 31 minutes, setting at 9:28.   The moon, 3 days before first quarter, will set at 12:23 tomorrow morning.  Tomorrow the sun will rise at 5:56.

The 5 day old crescent moon reveals to a small telescope, a trio of large craters on the edge of the moon’s terminator or sunrise line.  The best of these is on top Theophilus, a perfectly circular 61 mile diameter crater with a prominent central peak.  It’s a little late for it tonight but sometimes when the terminator is crossing the crater, the floor is dark and the central peak catches the morning sunlight.  The other two craters won’t be completely in sunlight tonight.  Theophilus is a couple of hundred miles south of the Apollo 11 landing site in the Sea of Tranquility,  That sea will be completely in sunlight tomorrow night.  The moon is a great celestial object to view with any telescope.

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

Addendum

The moon

The moon at 10 p.m. on June 13, 2013. In our skies the moon will be rotated some 30-40 degrees clockwise. Created using Virtual Moon Atlas.

Note: Due to some familial concerns yesterday, this post is a bit late.

%d bloggers like this: