You can follow Joanna Saturna's journey at www.marinetraffic.com

There is a "go to area" -menu on the upper left corner of the page. Choose "any" and choose "Joanna Saturna" at go to vessel -menu. The map will show you the location of the ship. 

AIS -system is based on the  VHF signal. If you are not able to locate Joanna Saturna, please try again after a while.