Stony Ridge Observatory
Detail InformationEdit Stony Ridge Observatory is AN astronomical observatory designed by and for amateur astronomers within the mountains of l. A. County, CA in 1963. Once put in, its 760 metric linear unit (30 in) Newtonian-Cassegrain possible hierarchal because the largest amateur telescope within the u. S.. Asteroids 10168 Stony Ridge and 144633 Georgecarroll were […]