Scientific data collected at ESO's observatories are freely and openly accessible online through the ESO Science Archive Facility. In addition to the raw data straight out of the instruments, the ESO Science Archive also contains four million processed science files available for use by scientists and astronomy enthusiasts worldwide. ESO subscribes to the FAIR (Findable, Accessible, Interoperable, Reusable) guiding principles for scientific data management and stewardship. All data in the ESO Science Archive are distributed according to the terms of the Creative Commons Attribution 4.0 International licence (CC BY 4.0).

翻译：ESO天文台收集的科学数据通过ESO科学档案设施在互联网上免费开放获取。除仪器产生的原始数据外，ESO科学档案还包含400万份经处理的科学文件，可供全球科学家和天文爱好者使用。ESO遵循FAIR（可发现、可访问、可互操作、可重用）科学数据管理与治理指导原则。ESO科学档案中的所有数据均按照知识共享署名4.0国际许可协议（CC BY 4.0）条款进行分发。