This Week’s Sky at a Glance, January 11 – 19

Plan ahead for the total eclipse of the Moon over the Americas late on the night of Sunday the 20th. The eclipsed Moon will be high in a dark sky. See Bob King’s Guide to January’s Supermoon Total Lunar Eclipse, or the cover story of the January Sky & Telescope. Friday, January 11 • As twilight fades this evening, how soon can you detect Mars glimmering above the Moon? […]