; tau_offs.sfa - Thomas G. Ferguson, Abrams Planetarium, March 2002
; This file erases the artwork for TAU.

0:00 buttons 4,5 play ./tau_ons
     buttons 4,5 label 'TAU   stkO'
     declare global taustk
     adjust taustk brightness 0 /until +2
0:02 erase stellar taustk
     end