ESA's ATV-4 launch images taken by the Sterex experiment. These images provide a stunning vision of the Ariane 5 launch, including liftoff, boosters
separation and ATV-4 release. The video system was developed by Kayser-Threde GmbH for ESA and DLR and integrated on Ariane by Astrium GmbH. Usage for ATV-4 was financed by DLR and ESA and supported by Arianespace and CNES.