IDL code to plot the Parker Spiral and planet positions
Examples given below
IDL> parkernplanets, '1-jul-2013', foot_points = [ -45, 0, 45 ], /inner, vel_wind = 450
IDL> parkernplanets, '1-jul-2013', /outer
Example of how to make a movie is given in parker_batch.pro
Written A Long Time Ago in a GSFC Far, Far Away by peter.gallagher@tcd.ie