Member Directory The AAS maintains a membership directory to facilitate member interaction and to support the conduct of official Society business. Search directory for: Filter Results By Clear Filters Type of Science Cosmo (1) Heliophy (1) State Zurich (1) (-) CO (1) Facet State City Alexandria (1) Arecibo (1) Aurora (1) Austin (1) Baltimore (2) Beaver Falls (1) Bennett (1) Bethlehem (4) Black Hawk (1) Bloomsburg (1) Blue Bell (1) Boulder (131) Brighton (1) Broomfield (3) Cambridge (2) Carlisle (2) Charles Town (1) Chester (2) Clarion (1) Cochranville (1) Colorado Springs (5) Conshohocken (1) Dallas (1) Denver (10) Durango (1) Easton (2) Eaton (1) Erie (1) Fort Collins (4) Gettysburg (1) Golden (2) GOLDEN (1) Grand Junction (1) Greeley (3) Green Bank (1) Greenbelt (3) Greenwood Village (1) Gunnison (1) Haverford (5) Hazleton (1) Huntingdon (3) Indiana (1) Jenkintown (1) King of Prussia (1) Kittredge (1) Kutztown (3) Lafayette (1) Lakewood (3) Lancaster (4) Lewisburg (2) Lititz (2) Littleton (5) Livermore (1) Longmont (3) Loretto (1) Louisville (2) Lyons (1) Madison (1) Mechanicsburg (1) Moffett Field (1) Mont Alto (1) Mountain View (1) Murrysville (1) Nathrop (1) Nederland (2) Newville (1) New Wilmington (1) New York (1) Niwot (1) Parker (1) Pasadena (1) Perkasie (1) Philadelphia (10) Piscataway (1) Pittsburgh (18) Plattsburgh (1) Reading (1) Rydal (1) Saint Davids (1) Sarver (1) Selinsgrove (1) Slippery Rock (1) State College (5) Staten Island (1) Swarthmore (2) Tucson (1) University Park (25) Usaf Academy (1) Villanova (15) Washington (4) West Chester (3) Westminster (1) Windsor (1) Wynnewood (1) York (1) (-) Zurich (1) Facet City Membership Class Div Affil - SPD (1) Facet Membership Class Division SPD (1) Facet Division Showing 1-1 of 1 results Jan Stenflo Div Affil - SPD Affiliation Inst. of Astronomy State/Province CO Country United States