AAVSO Circular

The AAVSO Circulars – See what’s been happening in the night sky as you plan your observing program!

The AAVSO has numerous observing aids designed to help you make the most efficient use of your valuable observing time. Each Observing Section and each mode of observing has a variety of resources – be sure to visit these pages and explore the links. The best place to start is the "Observing at a Glance – for Observers" page (https://www.aavso.org/observers).