Join 科学・技術 upcoming events being held in Calçoene. Calçoene is a small city located in the state of Amapá, Brazil, known for its rich cultural heritage, including the indigenous Guarani and Krikati communities, as well as the historic Nossa Senhora dos Remédios Church, and its proximity to the impressive Equatorial Coordinate Astronomical Observatory, making it an intriguing destination for those interested in exploring the intersection of history, culture, and astronomy in the heart of the Amazon rainforest.