Tropical Depression Marty has been an unwelcome visitor along the western coast of Mexico for a couple of days and is finally, but slowly leaving. NASA's Aqua satellite saw the northeastern quadrant of the storm over the Mexican coast yesterday, September 29. NASA's Aqua satellite passed over Tropical Depression Marty on Sept. 29 and the Moderate Resolution Imaging Spectroradiometer or MODIS instrument took a visible picture of the storm. The ima…