San José Observatory
Buenos Aires, Argentina
The San José Observatory (OSJ) is an amateur astronomy observatory located in Buenos Aires, Argentina. It was founded in 1913, but was initially constructed in 1870. It is the oldest astronomical observatory in Buenos Aires which still remains in activity. The institution currently performs research and recreational activities for the public as courses or seminars.
Observatory data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).