Observing

The night sky is always changing. Observers watch planets dance in the evening, stars explode as supernovae, and new comets grace dawn skies. Here we bring together all the stargazing tips and resources you’ll need to see the glories that light up the heavens. Our Sky at a Glance column guides you to the best celestial sights of the week, our astronomy podcast provides a monthly audio tour, and our interactive tools and guides are useful resources to aid your observing at any time.

Showpiece Doubles

Point your telescope towards these doubles — true gems of the late-summer sky. You don’t even need dark skies or a big telescope to admire them!

Hickson Compact Groups

Contributing Editor Ted Forte offers a look at Hickson Compact Groups in the November 2017 issue of Sky & Telescope. In 1982, Canadian astronomer Paul Hickson published a list of 100 compact galaxy groups based on his examination of the Palomar Observatory Sky Survey (POSS) red plates. A compact group, as defined by Hickson, is…

Abell 194 Galaxy Cluster

Abell 194

Sky & Telescope Contributing Editor Ken Hewitt gives us a guided tour through Abell 194, a visually rich galaxy cluster in Cetus.

Diamond of Three Rings

A total solar eclipse offers the most spectacular of jewels, the diamond ring, as the Moon blocks all but a small part of the Sun's brilliance.