National Observatory (Brazil

The National Observatory (Portuguese: Observatório Nacional or ON) is an institution localized in Rio de Janeiro, Brazil. Founded by Pedro I on October

This is a partial list of astronomical observatories ordered by name, along with initial dates of operation (where an accurate date is available) and

in the state of Ceará, Brazil, approximately 20 kilometres (12 mi) south of Fortaleza. The facility is owned by the National Institute for Space Research

This is a list of observatory codes (IAU codes or MPC codes) published by the Minor Planet Center. For a detailed description, see observations of small

The National Optical Astronomy Observatory (NOAO) was the United States national observatory for ground-based nighttime ultraviolet-optical-infrared (OUVIR)