St. Louis Astronomical Society

About Us

Welcome to the home page for the St. Louis Astronomical Society! Our meetings are every third Friday of the month at Washington University and are free and open to the public. See the calendar for other events and star parties open to the public. Directions to the meetings and other information may be found either on the calendar or the website for SLAS found below.

SLAS home page

Club Contact Info

St. Louis Astronomical Society
13128 Cozyhill
St. Louis MO 63122
Phone: 314-909-7211
Contact This Club

UPCOMING EVENTS

Sun 3/15/2026
11 a.m. - 3 p.m. Central 		SLSC Solar Public Telescope Viewing
Fri 3/20/2026
7:30 p.m. - 10 p.m. Central 		SLAS Regular Meeting Room 162 McDonnell Hall, Washington University [Meeting Site]
 Saint Louis, MO
Sat 3/21/2026
7:30 p.m. - 10:30 p.m. Central 		AIM FOR THE STARS at Jefferson College Observatory Jefferson College Observatory
9873 Farm Road Hillsboro, MO
Sat 3/21/2026
- Sat 3/21/2026
noon - 3 p.m. Central 		Mastodon Fair Jefferson College Field House
1000 Viking Dr Hillsboro, MO