Princeton NJ Family Events Calendar

Free Sky Observing Night, New Jersey State Museum Planetarium

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Friday May 15, 2026
7:15 PM

205 West State Street, Trenton

With the Amateur Astronomers Association of Princeton! Start at the State Museum with an extended star talk in the planetarium at 7:15 pm. Learn what is visible in the night sky that evening, with an extra focus on deep sky objects that are observable with telescopes. After the star talk ends (around 8:30 pm), drive to Washington Crossing State Park, where the AAAP has the Simpson Observatory. Use the historic telescopes maintained by the club to view the night sky. If viewing conditions are poor, stay at the planetarium fro a free showing of “One Sky Project.”