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==Introduction==

[[Constellation]] is a optical-based [[outside-in tracking|outside-in]] [[positional tracking]] system developed by [[Oculus VR]] for the [[Oculus Rift (Platform)|Oculus Rift]] [[Oculus Rift#Devices|devices]]. Similar to [[Lighthouse]], Constellation is able to track both the [[HMD]] and [[Oculus Touch]] controllers. Unlike Lighthouse, Constellation utilizes [[optical sensor]]s that detect the IR LED markers on the tracked devices. It features 360 degrees tracking and is suitable for both seated and standing [[VR]] experiences.