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Charts and Sequences Update - September 2018

The AAVSO Sequence Team has been working hard over the past year updating and improving charts and comparison star sequences. The following is a list of updates made since June 2017. If you observe any of these objects please update your charts and photometry tables with the most recent version as soon as possible. This list is also available for download in CSV, XLSX, and PDF versions (see the links at the bottom of this page).

Request Comparison Stars for Variable Star Charts

[Note: If your variable star has an existing sequence, even if it is only one comparison star, please request assistance via CHET. This page is only for variables that have NO comparison stars. Thank you.]

Charts and Sequences Update June 2015

The following objects have new or revised sequences.

Charts and Sequences Update March 2015

The following objects have new or revised sequences. If you observe any of these objects you should update your charts as soon as possible. You can download the entire list in .xlsx or .csv format below. Our sincere thanks to Tom Bretl and the charts and sequences team for their continued hard work.


Charts and Sequences Update January 2015

With APASS data release 8 filling in most of the remaining areas of sky with reliable secondary standards, the sequence team has been busy filling the remaining standing requests. This latest batch of new and revised sequences also has many newly discovered CVs from ASASSN, as well as sequences for RCB, NR and ZAND objects in the AID and VSX. You can downoad the list as either an .xlsx or .csv file.

Charts and Sequences Update October 22, 2014

The following objects have had new or revised sequences added since the end of May. Please be sure you are using the most up to date charts and sequences if you observe any of these objects.

A complete listing of new and revised sequences for 2014 is available here.

Charts and Sequences Update December 19, 2013

The list below are stars whose sequences have been created or revised since October 8, 2013. If you currently observe any of these stars, please update your charts to the latest version of the sequence.

You can also check the list for all of 2013 and previous years here

Charts and Sequences Update April 2013

The following charts (listed in order by constellation) have new or revised sequences since December 20, 2012. This list is quite long. A .csv file is available as an attachment here at the bottom of the page as well.

If you observe any of these stars please update your charts as soon as possible. 


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