I want to alert you to a rather unusual event occurring this evening. Many of you already know about the triple shadow transit of Jupiter’s moons Io, Europa and Callisto. That’s scheduled for late tonight. Earlier, around nightfall, the crescent moon will lie 1° or less to the south-southwest of comet 15P/Finlay. No doubt lunar glare … Continue reading "See a Rare Comet-Moon Conjunction Tonight"