Educational astrometry utility for plotting stars on a Hertzsprung-Russel diagram. Useful for learning about stellar spectra and properties and performing spectroscopic parallax calculations, as found in many high school physics courses.
An example plot from the upcoming qt4-based version
Version 0.3.4 showing detailed star information
Students can explore stellar relationships (custom axes)
The nearby stars dialog in the upcoming qt4-based version
Version 0.3.4 creating a query