function default_movie_info
  movie_info={ sos_res: 2048,     $
               map_res: 4096,     $ 
               bottom:10,         $
               top:60,            $
               fade:8,            $
               min_lat:55,        $
               orbit_spin_zero:0, $ ;Orientation of orbit 0
               orbit_spin_rate:0.1 };Rate in degrees per orbit 
  return,movie_info
end