Bob Moler's Ephemeris Blog

Ephemeris for Tuesday, April 23rd.  The sun rises at 6:44.  It’ll be up for 13 hours May 10.  The sun rises at 6:20.  It’ll be up for 14 hours and 38 minutes, setting at 8:58.   The moon, 1 day past new, will set at 9:48 this evening.

This month The Grand Traverse Astronomical Society trying a new type of star party at the Sleeping Bear Dunes National Lakeshore.  This will be tomorrow from noon to 2 p.m. if it’s clear. That is the star of our star party will be the sun.  We’ve done these at other venues and festivals, but this is the first time we’re doing it at the park.  Telescopes will be set up at the park headquarters in Empire.  In addition to white light filtered telescopes, the society will also have a spacial solar telescopes to view the sun’s atmosphere and any prominences visible.  Prominences are large red clouds of hydrogen that can hang over the sun in loops are flung away by solar flares.  The white light telescopes will show any sunspots that are on the sun’s face.

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