EarthSky Tonight—September 22, Harvest moon,

Courtesy of EarthSky A Clear Voice for Science www.EarthSky.org Comet Hartley 2 might brighten to binocular object in late September The equinox falls at 9:09 p.m. on this Wednesday evening, according to clocks set to Mountain Daylight Time. That translates to 3:09 a.m. tomorrow – on Thursday, September 23 – Universal Time. So some calendars will show today as the equinox, and others will show tomorrow. Everything you need to know about the autumnal equinox of 2010 Here are some sky ... Full Story