/** This draws the current view of Jupiter and its moons using the routines
    in planets.frink.
*/

use planets.frink

lat =   40 deg North
long = 105 deg West

if length[ARGS] > 0
   d = parseDate[ARGS@0]
else
   d = now[]

g = Planet.drawJupiterMoonsRelativeToZenith[d, lat, long, 0, 0, 1]
inv = g.invertGrays[]

inv.show[]
inv.write["JupiterMoons$d.png", 1000, undef]