Back Observatoire national (Brésil) French Osservatorio nazionale di Rio de Janeiro Italian Observatório Nacional Portuguese หอดูดาวแห่งชาติ (บราซิล) Thai Brezilya Ulusal Gözlemevi Turkish
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| Alternative names | Observatório Nacional Ministério da Ciência |
|---|---|
| Organization | Ministry of Science, Technology and Innovation |
| Observatory code | 880  |
| Location | Rio de Janeiro, RJ, Brazil |
| Coordinates | 22°53′43″S 43°13′29″W / 22.8953°S 43.2246°W |
| Established | 15 October 1827 |
| Website | on |
&sq=engine&lang=en&file=File:Relief_Map_of_Brazil.jpg)  Location of National Observatory | |
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The National Observatory (Portuguese: Observatório Nacional or ON)[1] is an institution localized in Rio de Janeiro, Brazil. Founded by Pedro I on October 15, 1827, it is one of the oldest scientific institutions in the country. Its initial purpose was to guide the geographic studies of Brazil and teaching navigation.
The institute is responsible for the Brazilian Official Time and performs various researches and studies in astronomy, astrophysics and geophysics. It offers postgraduate courses leading to master's and doctorate degree.