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Signup for the latest news and events at the Jefferson College Observatory
Observatory eNewsletter Signup
Keep updated on the latest news and events at the Observatory!
Reminder of regular events: We will remind you of upcoming, regular events such as our monthly "Aim for the Stars" events.
Alerts on unplanned events: Astronomy events are sometimes unpredictable, such as a comet or aurora. If we plan to open the Observatory for one of these events, we will let you know.
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75+ years serving St. Louis
The St. Louis Astronomical Society (SLAS) is a 501(c)(3) non-profit established in 1936. SLAS is devoted to the interest and advancement of the science of astronomy. With over 200 members, SLAS is the largest astronomical society in the metro St. Louis area.