FREE PASS products:

Free Planetarium Shows:

Modification to Transit of Venus.

Planetarium Educator's Workshop Guide—a guide to theory and practice of audience participation planetarium programs, entertaining and educational, actively involving visitors.
See PDF (4 Mb) or webpage.

PASS has been adapted for users of these planetarium systems:

Sky-Skan   --//\\--  Digitarium   --//\\-- Digistar (adaptations in progress)