Las Campanas Observatory

Las Campanas Observatory is an astronomical observatory in the southern Atacama desert in Chile. It is owned and operated by the Carnegie Institution for Science. It was built in 1969 as the main observing site for the Carnegie Institution for Science. The headquarters are located in La Serena, Chile and the observatory is about northeast of the city. The observatory is at above sea level.
On February 24, 1987, Ian Shelton and Oscar Duhalde first saw the Supernova 1987A (SN 1987A).
Telescopes.
There are also the small "Pi of the sky" wide-angle cameras that filmed the gamma ray burst GRB 080319B in 2008. This was the largest explosion ever seen in the Universe, and could have been seen without a telescope.