; boo_off.sfa - Thomas G. Ferguson, Abrams Planetarium, Feb. 2002
; boo_off.sfa - John French, Abrams Planetarium, Mar. 2002
; boo_off.sfa - Flamsteed drawings - Chris Anderson, Falkner Planetarium,  2001
; This file erases the artwork for BOO.

0:00 buttons 6,6 play ./boo_on
     buttons 6,6 label 'BOO   picO'
     declare global BOO
     adjust BOO brightness 0 /until +2
0:02 erase galactic BOO
     end