Observing

Stars

What is the baseline for determining the magnitude scale of celestial objects? Why do brighter objects have negative numbers?

Deep-Sky Objects

A tale of two marathons

Deep-Sky Objects

Cosmic phantoms

Observing Basics

Observing Basics: Buying Binoculars

Observing

Phantasmagoria: Transient Luminous Events

Observing, Stars

Inside the Ursa Major moving group