Matches in DBpedia 2014 for { ?s ?p Stony Ridge Observatory is an astronomical observatory built by and for amateur astronomers in the mountains of Los Angeles County, California, in 1957. When installed, its 760 mm (30 in) Newtonian-Cassegrain likely ranked as the largest amateur telescope in the United States. The telescope is designed so that one of four Newtonian foci, or a Cassegrain focus, can be used.. }
Showing items 1 to 1 of
1
with 100 items per page.
- Stony_Ridge_Observatory comment "Stony Ridge Observatory is an astronomical observatory built by and for amateur astronomers in the mountains of Los Angeles County, California, in 1957. When installed, its 760 mm (30 in) Newtonian-Cassegrain likely ranked as the largest amateur telescope in the United States. The telescope is designed so that one of four Newtonian foci, or a Cassegrain focus, can be used.".