San José Observatory(OSJ)

San José Observatory(OSJ) - Credit: Wikimedia Commons

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. Read more on Wikipedia

type: building
date from: 1870
official website: http://www.observatoriosanjose.com.ar

Source: en.wikipedia.org