Bruce McClure has served as lead writer for EarthSky's popular Tonight pages since 2004. He's a sundial aficionado, whose love for the heavens has taken him to Lake Titicaca in Bolivia and sailing in the North Atlantic, where he earned his celestial navigation certificate through the School of Ocean Sailing and Navigation. He also writes and hosts public astronomy programs and planetarium programs in and around his home in upstate New York.
The lit portion of the waning moon always points eastward. That’s also the moon’s direction of travel in front of the background stars. Watch the moon wane in the coming mornings, as it sweeps through Leo.
Throughout October 2018, you can see 3 planets as darkness falls: Mars, Saturn and Jupiter. Bright Venus is heading into the sunset glare throughout October. It will pass between us and the sun before the month’s end.
At an equinox, and for several days before and after, the midday sun is straight up at noon seen from Earth’s equator. At this equinox, the sun is crossing the celestial equator, moving from north to south.