Mapping the Antikythera Shipwreck - Sirius Underwater Robot (AUV) at Work

Here's some raw diver footage taken at a depth of 45 metres by Phil Short while exploring the Antikythera shipwreck using a closed circuit rebreather.
Sirius is an Autonomous Underwater Vehicle (AUV) that belongs to the Australian Centre for Field Robotics, which is part of Sydney University.