This dataset contains several observations provided by several contributors and was used to test the methodology proposed in a research paper that is currently under review, and will be disclosed here as soon as it is published. The structure is as follows: ID: Observation ID User Phone: Identifier for the phone of the user reporting the observation Date and Hour: Date and time when the observation was collected Source Location: Coordinates of the location where the observation was collected Target Location Direction: Direction measured towards the target location Shadow Direction: Direction measured towards the user's shadow Target Location: Name of the target location