Version History and Errata

Please forward any corrections or criticisms to John O'Hanley.

February 27, 2014

Added a download for a small Java tool, for generating relativistic starfield images. The tool was created mostly for generating images with a large number of stars, such as found in the Tycho-2 database.

January 28, 2014

Appearance of a sky full of stars: the diagrams showing the number of visible stars and their brightness have been updated to use the much larger Tycho-2 catalog, instead of the Yale Bright Star Catalog. Thus, these diagrams are now much closer to what a human eye would actually see.

January 25, 2014

The site was first posted to the web on this date.