Pulsating lights disappearing, then reaperaing and changing location. 500 Lights On Object 0: YesThere were three or four objects pulsating in the western sky. They were constantly changing location--appearing, disappearing, then reappearing. While they pulsated and changed locations, they remained in close proximity to each other and in the same general location in the sky.((NUFORC Note: Source of report indicates that the date of the sighting is approximate. One of two reports from the same source. PD))