Presented by Sara Beck with help from Doug Welch & David Benn 99th AAVSO Annual Meeting October 29, 2010

– An easy-to-use variable star data visualization and analysis tool that was developed as part of the Citizen Sky project. – Open-source project hosted on SourceForge under GPL license. – Amazing volunteer effort by David Benn (Lead Developer) with help from fellow VStar Team members.

– Requires Java 1.6 – Download from AAVSO, Citizen Sky, or SourceForge websites

– Load data from AID/file – Observations Plot/List – Means Plot/List – Zoom with mouse or buttons – Change visible series – Observations Detail

– Save Plot or Table – Print Plot or Table – Plot Information – Filter – Preferences – Help

– Phase Plot – Polynomial Fit – Period Search

– Observation Tool – General Tool – Custom Filter – Period Analysis – Observation Source

– 5-Star Analysis – VStar Plugin Documentation – – software-development

– David Benn (Lead Programmer) – Nico Camargo (Icon Artist)