Analemma Society
Space for Everyone
The Analemma Society brings astronomy to the community — free public stargazing, guided night-sky tours, and educational programs at the Roll-Top Observatory in Observatory Park at Turner Farm Park. Whether you've never looked through a telescope or you track every meteor shower on the calendar, there's a place for you here.
See Upcoming Events ↓Upcoming Events
Location: Observatory Park · Turner Farm Park, Great Falls, VA · View on map
Details subject to change — always confirm with the current FCPA Parktakes schedule before you go.
October 2026
Mon, October 12
1:00 PM
The Strange Shape of Sundials - Taught by AS Instructors
Details & Registration
Mon, October 19
7:30 PM
Telescope Observing for Beginners - Taught by AS Instructors
Details & Registration
Fri, October 23
7:00 PM
Updated Information
AS Sponsored Night Sky Viewing
This evening program will highlight the unique viewing opportunities at Observatory Park at Turner Farm. Explore the special sights appearing in the night sky this month, take part in solar system walks, and enjoy dark sky education. This public viewing event is free, but registration is required to secure your spot under the stars.<br><strong class='ti-badge'>Note: attendees are asked to bring 1-2 non-perishable food items to benefit Cornerstones of Reston</strong>
Mon, October 26
7:30 PM
Meteorites - Exploring Visitors from Space - Taught by AS Instructors
Details & Registration
November 2026
Mon, November 2
7:30 PM
Origin of our Universe - The Big Bang 8+ - Taught by AS Instructors
Details & Registration
Fri, November 6
5:30 PM - 8:00 PM
Scouts Love the Stars - Astronomy Badge Workshop
Details & Registration
Mon, November 9
7:30 PM
Stargazing with Binoculars - Taught by AS Instructors
Details & Registration
Mon, November 23
7:30 PM
Introduction to Telescopes - Taught by AS Instructors
Details & Registration
Mon, November 30
7:30 PM
Nebulas, Star Clusters & Galaxies, Oh My! - Taught by AS Instructors
Details & Registration