Visual Observing Manual - Spanish
Manual Completo - Edición Revisada 2013
Manual para la Observación Visual de Estrellas Variables (5.5 MB)
Manual Completo - Edición Revisada 2013
Manual para la Observación Visual de Estrellas Variables (5.5 MB)
In AAVSO Bulletin 81 there are two stars that exhibit double maxima: R Cen and R Nor. These stars therefore have primary and secondary maxima and minima. They are not included in the main Bulletin table.
AAVSO Bulletin 81 - Predicted Dates of Maxima and Minima of Long Period Variables for 2018 - is published in the format that was introduced in 2011.
Letter to Users of 2018 Bulletin
The Star Finder is a web tool that you can use to get direct access to some of our most popular and useful web applications.
One of the most commonly asked questions by AAVSO observers is "What should I observe tonight?" With the easy-to-use AAVSO Target Tool, we hope that you will find the answer!
We have a number of observing guides and manuals, each one dedicated to a different type of observing technology.
In AAVSO Bulletin 80 there are two stars that exhibit double maxima: R Cen and R Nor. These stars therefore have primary and secondary maxima and minima. They are not included in the main Bulletin table.
AAVSO Bulletin 80 - Predicted Dates of Maxima and Minima of Long Period Variables for 2017 - is published in the format that was introduced in 2011. The information that was included in earlier numbers of the Bulletin is included in this format, along with more information. The Bulletin does not include stars that do not have an AAVSO mean curve.