Las Brisas Observatory

Las Brisas Observatory is an astronomical observatory located 11 miles west of Pikes Peak, Colorado (USA) on Las Brisas ranch. It was built in 1979 and is owned by Paul Signorelli. 
External links.
https://www.skyandtelescope.com/observing/stargazers-corner/las-brisas-observatory-37-years-and-counting/