
All observing is done out in the open air, under the stars. Dress appropriately.
For the Curious
The Custer Institute and Observatory is Long Island's oldest public observatory (est.1927). Open to the public every Saturday evening from dusk until midnight, our staff of volunteers will give you a tour of the facilities and the night sky through our powerful telescopes. Custer has a library, exhibit room, and gift shop. Frequent lectures, classes,concerts, art exhibits and other special events.





- Ridgewood Savings Bank
- The New York Community Trust
- The Joe & Hellen Darion Foundation
- The Harold Family Foundation

- Visit & Contact
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- Member Nights
- Our Equipment
- Custer History
- Radio Astronomy
- Music Project
- Eclipses and Transits
- Meteor Showers
- Custer Maker Space
- News & Resources


Updated: 05/27/23
Saturday Night Observing: Open 8pm-Midnight
The Artemis II Moon Mission Crew
May 2023 Skywatching Tips from NASA
NASA TV airs a variety of regularly scheduled, pre-recorded educational and public relations programming 24 hours a day on its various channels. The network also provides an array of live programming, such as 24-hour coverage of International Space Station events (spacewalks, media interviews, educational broadcasts), and rocket launches.