open cluster

by Jeff Kanipe

This month, we have a wonderful surprise for you—a tour of the southern sky, as seen from Chile, by Jeff Kanipe, author of the highly regarded series, Annals of the Deep Sky.… Continue reading.

by Zachary Singer

Some of our favorite planetary targets, Venus and Jupiter, are up in the pre-dawn sky this month, and Mercury appears in the evening, as we’ll see in “The Solar System,” below. In “Stars and Deep Sky,” we’ll take a look at two notable open clusters in Auriga, M36 and M37.… Continue reading.