Analemma Society

Analemma Society Analemma Society Analemma Society is a 501c3 that purchases, maintains and operates telescopes and technology at the Fairfax County park.

Analemma Society is a nonprofit organization that provides STEM education through astronomy at Observatory Park at Turner Farm, 925 Springvale Road, Great Falls, VA 22066. Free Friday night viewing is weather dependent. To learn more about whether the park is open, to volunteer or support Analemma Society, visit analemma.org. Volunteers teach many of the Parktakes classes, which are available at https://www.fairfaxcounty.gov/parks/parktakes.

03/21/2025

Hi friends, please note that we are closed for “Spring Cleaning” thru Summer 2025.

The Observatory at Turner Farm Park will be temporarily closed starting March 15th for a bit of Spring Cleaning to better serve our community when we resume programming later this Summer. This pause includes all Parktakes classes and Fridays Night Observing sessions. Fairfax County Park Authority has already started communication with those who are registered for Spring courses. We thank everyone who has come out and supported Analemma Society at our various events and classes. We hope to see you all very soon in Summer 2025!

03/14/2025

LAST CALL! We will OPEN tonight, (3/14) for Friday Night Observing at Turner Farm Park observatory from 7:30 to 9:30 PM! This will be the last Friday Night before we pause for Spring Cleaning. We will resume this Summer 2025.

Viewing Conditions: Forcast of partly cloudy skies with increasing clouds later in the evening. If conditions permit, see the waning Moon, Mars, Jupiter, Orion Nebula, stars & more in telescopes!

Check out www.Analemma.org for more info.

03/12/2025

Spring Cleaning has arrived! The Observatory at Turner Farm Park will be temporarily closed starting March 15th for a bit of Spring Cleaning to better serve our community when we resume programming later this Summer. Join us this Friday (3/14) for the last Friday Friday Night of the season before the pause in programming. This pause includes all Parktakes classes and Fridays Night Observing sessions. Fairfax County Park Authority has already started communication with those who are registered for Spring courses. We thank everyone who has come out and supported Analemma Society at our various events and classes. We hope to see you all very soon in Summer 2025!

03/08/2025

Astronomy Festival is tonight, Saturday March 8 from 6 to 8:30 PM! Will take registration payment at gate for the event ($10/person, credit/debit card only). There will be activity stations, stories around the campfire, solar system walks, talk in classroom. View Venus before 6:30 PM, Mars, Jupiter, stars & more in telescopes. Good forecast of clear skies although windy. There will be lines, please be prepared to wait for parking and looking through telescopes. No photography will be permitted thru telescopes lens in the observatory room due to crowd size.

03/07/2025

TONIGHT 3/7: Calling all astronomers, explorers and space curious friends, we will open at tonight 7:30 pm tonight. We might close early tonight depending on cloud cover around 8:30 pm. Friday nights are always FREE and open to the public (when weather permits).

TOMORROW 3/8: Astronomy Festival is on. Gates open at 6:00 pm. We are accepting walk up registration for $10/per person via card only.

03/04/2025

We had a huge turnout of 800+ visitors on Friday night (2/28) for the planetary alignment. We were not expecting such a huge crowd and would like to apologize to everyone that came out as we experienced difficulties navigating parking and crowd control. A great big shout out and thank you to Fairfax County Police Department who noticed our big backup and came out to make sure everyone was safe and even assisted us for awhile. We hope despite the crowds that you still had some fun and got to see some beautiful planets through our telescopes. Please tag us in your photos or share them with us in the comments.

-Analemma Society, Space for Everyone

02/25/2025

Good news! Our rooftop crank has been repaired! One of the relays had frozen water in it. Thank you to Fairfax County Park Authority and their wonderful electrician for getting us back up and running. Parktakes classes are running normal this week with a funtional rooftop. Check back Friday for weather status update for Friday Night Public Observing (2/28/25)

02/21/2025

*Update 10:28 am: Tonight's session is CANCELED due to the rooftop crank being broken, we are unable to open the roof until it is repaired.

Our rooftop crank broke this past week and we are still pending repair status. Please check status opening before coming out to the park tonight for opening status on if it gets repaired in time to open. You can check status here, X or analemma.org.

Address

925 Springvale Road
Great Falls, VA
22066

Opening Hours

7pm - 10:30pm

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