SpX-12 DEPARTURE FROM ISS, Sept 17, 2017, 4:47 am ET (NASA TV)

The robotic SpaceX CRS-12 (SpX-12) Dragon cargo ship will be released from the International Space Station (ISS) using the robotic Canadarm2 at about 4:47 am ET on September 17, 2017.  SpX-12 was launched on August 14, 2017 and was berthed to the ISS on August 16.

NASA TV coverage of departure begins at 4:30 am ET.

The spacecraft, carrying 3,800 pounds of cargo that needs to be returned to Earth, will splash down in the Pacific Ocean off the coast of California at about 10:16 am ET.  NASA TV will NOT cover that event.

In the event of bad weather, the backup date is Sept. 20.