Skip to main content


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 (

Revised target table for 17 PTF CVs campaign

July 20, 2015

Below is a table containing the targets for Roque Ruiz-Carmona's campaign on 17 PTFS CVs (see AAVSO Alert Notice 524). The following revisions (shown in bold) have been made:

AAVSO 49 Bay State Rd. Cambridge, MA 02138 617-354-0484