Tucson Area Astronomy
Tucson Amateur Astronomy Association
University of Arizona Department of Astronomy
University of Arizona Lunar and Planetary Lab
Steward Observatory Mirror Lab – located under the U of A football statium
Kitt Peak National Observatory – located 56 miles southwest of Tucson
Whipple Observatory – located in the Santa Rita Mountains south of Tucson
Mt. Graham International Observatory – located east of Tucson in the Graham Mountains
International Dark Sky Association – because light pollution is not our friend
Other Astronomy Organizations
Sirius-ly Giant list of Great Astronomy Clubs – from The “Sirius” Stargazers Club