Mounds Observatory
The ACT Observatory  is an astronomical observatory owned and operated by the Astronomy Club of Tulsa. It is located  south of downtown Tulsa, Oklahoma, United States in the town of Mounds. It was also known as Mounds/RMCC Observatory before being renamed in 2010. See also 
List of astronomical observatories

References
 

Astronomical observatories in Oklahoma
Buildings and structures in Tulsa County, Oklahoma