ATV-3 departed from the ISS at 23:44 CEST on 28 September 2012 in a flawless undocking under the control of the ATV Control Centre, Toulouse, and in tight cooperation with ISS control centres in Moscow and Houston.

The image below shows ATV Edoardo Amaldi undocking from the ISS. This scene shows the vessel just moments after it started its departure thruster burn, just a few metres from the Station. 

ATV-3 pulling back from the ISS under its own power, shortly after its undocking at 23:44 CEST, 28 September 2012. Credit: NASA TV

ATV-3 pulling back from the ISS under its own power, shortly after its undocking at 23:44 CEST, 28 September 2012. Credit: NASA TV